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GOP-allied group targets Warren, tight Senate races in ads

The Republican-allied, deep-pocketed American Crossroads is up with another major television buy, hitting Democratic candidates in five key Senate races: Massachusetts, Montana, Missouri, Virginia and Nebraska.

The new buys will run for two weeks and total $1.8 million. Each is an attack tailored toward the particular candidate and state, with the Massachusetts ad slamming Harvard Professor Elizabeth Warren for embracing the Occupy Wall Street protests and others seeking to tie incumbent Democratic Sens. Claire McCaskill (Mo.), Jon Tester (Mont.) and former Democratic National Committee Chairman Tim Kaine (Va.) to Washington, D.C., and President Obama.

For the full article on The Hill's Ballot Box blog, click here.