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Senate Democrats lead TV ad blitz

By Michael Beckel

Non-candidate spending increases in state elections

By Rachel Baye, Reity O'Brien, Kytja Weir and Ben Wieder

'Outside' groups swamp Florida's airwaves in race for governor

By Rachel Baye

Who’s trying to influence your vote?

By Chris Zubak-Skees, Kytja Weir and Dave Levinthal

Iowa, Michigan bombarded with political ads

By Michael Beckel

Koch foundation proposal to college: Teach our curriculum, get millions

By Dave Levinthal

Mitch McConnell revs ad machine

By Michael Beckel

In New Hampshire, quixotic super PAC shaking up Republican primary

By Dave Levinthal

GOP’s Senate hopes energized by Koch network ad blitz

By Michael Beckel

Can this 'dark money' group help the Democrats keep the Senate?

By Michael Beckel

Why Republican control of Congress hinges on nine big-money Senate races

By Michael Beckel and Dave Levinthal

Koch-funded think tank offers schools course in libertarianism

By Chris Young

Lobbying disclosures leave public in the dark

By Marcelo Rochabrun and Dave Levinthal

‘Dr. Evil’ fuels dogfight between AKC, Humane Society

By John Dunbar and Erin Quinn