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New tax documents show Crossroads GPS poured millions into 2014 Senate race

By Carrie Levine

Super PAC aims to fix Jeb Bush

By Dave Levinthal and Michael Beckel

FEC: Notable conservatives tied to nonprofit scofflaw

By Cady Zuvich

Capitol Gains: Vague terms cloak S.C. lawmakers' expenses

By Tony Bartelme

Twitter <3 enhanced political #disclosure

By Dave Levinthal

Republicans whip Democrats in key state races

By Ashley Balcerzak and Kytja Weir

Ohioans reject marijuana legalization measure

By Liz Essley Whyte

Capitol Gains: S.C. lawmakers profit from government connections

By Doug Pardue, Glenn Smith, David Slade and Rachel Baye

Koch brothers' higher-ed investments advance political goals

By Dave Levinthal

The Koch brothers' foundation network explained

By Dave Levinthal

Test your money-in-politics IQ

By Michael Beckel

How TV ads are shaping Tuesday's election

By Liz Essley Whyte

Republican super PACs dominate early ad spending

By Carrie Levine and Cady Zuvich

Lincoln Bedroom mystery solved

By Liz Essley Whyte

Clinton White House sleepover guests still writing checks

By Liz Essley Whyte

10 things to know about Louisiana's primary

By Ben Wieder