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Money talks: Key dollar amounts behind the TV ad wars in state elections

By Rachel Baye and Kytja Weir

Eyeballs burn in North Carolina, Iowa ahead of U.S. Senate elections

By Michael Beckel

Obama takes star turn in state political ads

By Ben Wieder

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