While there are a dozen things that I really dislike about Representative Joe Donnelly he is pretty solidly pro-gun. He is planning to run for the Senate against Dick Lugar --- assuming that Lugar survives the primary election against Tea Party favorite Richard Murdoch.
Link to article regarding Donnelly running for US Senate from Indiana => Donnelly hopes to move from House to Senate | The Indianapolis Star | indystar.com
Link to Joe Donnelly on the issues page. Despite being pro-gun, this guy is a big-government liberal/populist on almost every other issue => Joe Donnelly on VoteMatch
Link to article regarding Donnelly running for US Senate from Indiana => Donnelly hopes to move from House to Senate | The Indianapolis Star | indystar.com
Link to Joe Donnelly on the issues page. Despite being pro-gun, this guy is a big-government liberal/populist on almost every other issue => Joe Donnelly on VoteMatch