All articles starting with L
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Leader of the Liberal Party of Canada
Leader of the Liberal Party of Canada: head of one of Canada's two historic governing parties, currently Mark Carney (elected March 9, 2025; Prime Minister from March 14, 2025). Distinct from other party leadership offices through its constitutionally defined duties, Leadership Vote process, and the 1919 convention tradition.
Leader of the New Democratic Party
Leader of the New Democratic Party: Avi Lewis, elected March 29, 2026 with 56% of the first ballot at the Winnipeg convention, succeeding interim leader Don Davies, who replaced Jagmeet Singh after the 2025 election.
Leader of the Official Opposition (Canada)
Leader of the Official Opposition (Canada): the House of Commons member leading the largest opposition party, formally recognized since 1905, with statutory consultation duties, front-row privileges, and a succession running from Alexander Mackenzie (1873) to Pierre Poilievre.
Leader of the Opposition (United Kingdom)
Leader of the Opposition (United Kingdom): head of HM Official Opposition, the largest non-government party in the Commons; salaried by statute since 1937, leads the Shadow Cabinet, holds 17 opposition days and six PMQs questions.
Leader-Follower autonomous convoy program
The Leader-Follower autonomous convoy program is a US Army effort in which one crewed truck leads unmanned follower trucks that repeat its path on dangerous resupply routes.
Leader-follower formation
Leader-follower formation is a formation control strategy for multi-agent systems in which a leader follows a reference trajectory and followers regulate their relative positions, valued for simplicity, scalability, and use on UAVs, UGVs, and USVs.
LEADER® trial
LEADER (Liraglutide Effect and Action in Diabetes: Evaluation of Cardiovascular Outcome Results), NCT01179048: randomized double-blind trial of liraglutide 1.8 mg daily vs placebo in 9,340 high-risk type 2 diabetes patients; MACE HR 0.87, reduced CV and all-cause death.
Leaders of the Ku Klux Klan
Leaders of the Ku Klux Klan across three eras: Forrest's 1865 Reconstruction Klan, Simmons's 1915 revival and Evans's 1920s empire, Shelton's United Klans, Duke's rebranding, and today's rival factions.
Leaders of the Vietnam War
Leaders of the Vietnam War covers the political and military figures who directed the conflict from 1955 to 1975 on its Hanoi, Saigon, and American sides.
LEADERS trial
LEADERS (Limus Eluted From A Durable Versus ERodable Stent Coating) trial: 1,707-patient randomized noninferiority trial comparing biodegradable-polymer biolimus-eluting stents with durable-polymer sirolimus-eluting stents; noninferior at 9 months, fewer very late stent thromboses at 5 years.
Leadership
Leadership is the activity of influencing and directing people toward a shared goal, studied in organizational research as behaviors and styles distinct from, though overlapping with, management.
Leadership approval opinion polling for the next Australian federal election
Leadership approval polling for Australia's next federal election tracks Anthony Albanese, Liberal leaders Sussan Ley then Angus Taylor, and Pauline Hanson via approval, favourability, and preferred-PM questions, with Albanese's net approval falling from +6 in 2025 to about −17 by late 2026.
Leadership approval opinion polling for the next United Kingdom general election
Leadership approval polling for the next UK general election: YouGov, Ipsos and More in Common net ratings of party leaders during the 2024–29 Parliament, including Starmer's fall to -44, Farage's -32 low, and Denyer's +8.
Leadership Code (Tanzania)
The Leadership Code was a 1967 set of Tanzanian conduct rules, part of the Arusha Declaration, barring leaders from shares, rents, and second salaries until 1991.
Leadership elections in European social-democratic parties
Leadership elections in European social-democratic parties are the procedures and gatekeeping rules by which these parties choose leaders, most often by party-congress vote, with member ballots in about 45% of contests.
Leadership opinion polling for the 2026 Israeli legislative election
Opinion polling for the 2026 Israeli legislative election, also called Knesset election polls, tracks seat projections before the 27 October 2026 vote. Averages show Likud and Yashar near 22 seats each, Netanyahu's bloc short of 61, and documented Channel 14 house effects.
Leadership style
A leadership style is the manner in which a manager exercises authority in the workplace to achieve objectives, expressed through attitudes and behaviors like speech, example, and body language.
Leadframe
A leadframe is a thin metal structure inside a semiconductor package that carries the chip die, conducts its signals outward, and forms the package pins after molding.
Leading
Leading, also called line spacing, is the vertical space between lines of text in typography, measured baseline to baseline and usually in points; it comes from lead strips used in metal typesetting.
Leading indicator
A leading indicator is a measurable economic series that changes direction before the overall business cycle, such as building permits or jobless claims, letting analysts anticipate turning points.
Leading lights
Leading lights, called range lights in North America, are two or more lights a navigator keeps vertically aligned to hold a vessel on a channel's axis.
Leading question
A leading question is a question that suggests its own answer, usually yes/no. In U.S. evidence law, Rule 611(c) bars it on direct examination except as necessary, but allows it on cross and with hostile witnesses.
Leading Strand Synthesis
Leading strand synthesis is the continuous 5'-to-3' DNA synthesis at a replication fork, mainly by DNA polymerase epsilon in eukaryotes, requiring one primer, a sliding clamp, and helicase-polymerase coupling.
Leading the Future
Leading the Future (LTF) is a pro-AI super PAC (FEC C00916114) founded August 2025 with $100M+ from Greg Brockman, Andreessen Horowitz, and OpenAI; affiliates Think Big, American Mission, and Build American AI spend to elect pro-AI candidates and oppose AI-regulation backers like Alex Bores.
Leading-edge vortex
A leading-edge vortex is a spiraling region of rotating flow that forms over highly swept wings, producing extra lift called vortex lift on delta wings.
Leadless pacemaker implantation
Leadless pacemaker implantation is a catheter-based procedure that places a self-contained pacemaker capsule inside the right ventricle, avoiding the leads and generator pocket of conventional pacemakers.
Leadrive Technology
Leadrive Technology (臻驱科技) is a Shanghai company founded in 2017 by Shen Jie that makes motor controllers, power bricks, and power modules for electric vehicles.
Leads Biolabs (维立志博)
Leads Biolabs (维立志博), also known as Nanjing Leads Biolabs, is a Chinese biotechnology company in Nanjing developing antibody cancer therapies, listed in Hong Kong in 2025.
Leads Connect
Leads Connect (LeadsConnect Services Pvt. Ltd.) is an Indian agritech company founded in Noida in 2009 by Navneet Ravikar, providing farm analytics, crop-insurance support, and credit through its AGRANI platform.
LeadSquared
LeadSquared is an Indian SaaS company headquartered in Bengaluru that sells a sales-execution CRM combining sales automation, marketing automation, and field-force management; founded in 2011, it became a unicorn in 2022.