Two Tea Party groups recently declared war on Republicans who voted to end the government shutdown. The Tea Party Nation and the Tea Party Leadership Fund want to run Tea Party-approved candidates against sitting Republicans as punishment for being "traitors." One Tea Party favorite, debunked Christian historian David Barton, is rumored to possibly run against Sen. John Cornyn (R-Texas), notes Warren Throckmorton at Patheos.org. A "Draft David Barton for US Senate" Facebook page has been set up and currently boasts 1,445 members. One pro-Barton advocate claims on his blog that "last week a meeting occurred between Tea Party leaders and...