Rodney Davis, the GOP nominee for the 13th U.S. House District, launched his second TV ad of the campaign Monday, attacking Democratic nominee Dr. David Gill on the question of raising taxes and supporting Obamacare. The Davis ad also hits at national Democrats for making "misleading claims" about Davis' work history with disgraced ex-Gov. George Ryan.

"David Gill's special interest D.C. friends have been caught running false, negative ads," the 32-second Davis spot begins. "The truth is Davis Gill wants to raise taxes and supports Obamacare."

A Gill campaign spokesman did not immediately return a call for comment. But in a statement released Monday morning, the Gill campaign pushed back against "ridiculous attacks" made by the National Republican Congressional Campaign Committee and Illinois Republican Party Chairman Pat Brady.

"It’s priceless that Rodney Davis has the NRCC attack Dr. David Gill for supposed ties to Washington,” said Gill spokesman Tom Alte. “The fact is that the Republicans are now desperately trying to spin their way out of selecting 19-year government insider Rodney Davis who has been paid nearly a million dollars by taxpayers to take orders from politicians like jailed Gov. George Ryan and Tea Party Congressman John Shimkus.”

The newly drawn 13th House District runs northeast from Madison County toward Champaign County, covering parts of Collinsville, Maryville and Edwardsville, as well as 13 other counties. Davis and Gill are vying to replace U.S. Rep. Tim Johnson, R-Champaign, who is retiring after a decade in office.