Leonard Leo, the conservative activist with an estimated $1 billion at his disposal, is threatening to withhold money from the dozens of groups he supports unless they develop plans to "weaponize" their ideas.

A federal lawsuit in Texas against Planned Parenthood has a web of ties to conservative activist Leonard Leo, whose decades-long effort to steer the U.S. court system to the right overturned Roe vs. Wade,

Leonard Leo, prominent conservative activist, has announced plans to invest $1 billion to combat the overwhelming liberal cultural influence

Conservative activist Leonard Leo is pledging a major financial investment to "crush liberal dominance" he perceives in corporate America and the media.The former executive vice president of the Federalist Society and architect of the right-wing U.