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Power shifts to outsiders in U.S. Senate fight

By Michael Beckel

North Carolina's state of political hate

By Dave Levinthal

Corporations, advocacy groups spend big on ballot measures

By Liz Essley Whyte

Bloomberg helps Democratic governors' group close gap on Republicans

By Ben Wieder

Ads in U.S. Senate contests turn nasty

By Dave Levinthal

Gubernatorial hopefuls outspend U.S. Senate candidates

By Rachel Baye

Secretive groups spend millions to influence state elections

By Reity O'Brien

Democrats seize air supremacy in Senate battlegrounds

By Dave Levinthal and Michael Beckel

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