In Conn. Senate debate, old differences and some new ones

Democratic candidate, U.S. Rep. Chris Murphy, D-Conn., speaks to the media after a debate against Republican candidate Linda McMahon in New London, Conn., Monday, Oct. 15, 2012. (AP Photo/Jessica Hill) Photo: AP

U.S. Rep. Chris Murphy, D-Conn., left, and Republican candidate for U.S. Senate Linda McMahon, right, debate in New London, Conn., Monday, Oct. 15, 2012. The two are vying for the Senate seat now held by Joe Lieberman, an independent who's retiring. (AP Photo/Jessica Hill) Photo: AP

U.S. Rep. Chris Murphy, D-Conn., left, and Republican candidate for U.S. Senate Linda McMahon, debate in New London, Conn., Monday, Oct. 15, 2012. The two are vying for the Senate seat now held by Joe Lieberman, an independent who's retiring. (AP Photo/Jessica Hill) Photo: AP

Democratic candidate, U.S. Rep. Chris Murphy, D-Conn., gestures during a debate against Republican candidate for U.S. Senate, Linda McMahon in New London, Conn., Monday, Oct. 15, 2012. The two are vying for the Senate seat now held by Joe Lieberman, an independent who's retiring. (AP Photo/Jessica Hill) Photo: AP

Democratic candidate, U.S. Rep. Chris Murphy, D-Conn., gestures during a debate against Republican candidate for U.S. Senate Linda McMahon in New London, Conn., Monday, Oct. 15, 2012. The two are vying for the Senate seat now held by Joe Lieberman, an independent who's retiring. (AP Photo/Jessica Hill) Photo: AP

Republican candidate for U.S. Senate Linda McMahon speaks during a debate against Democratic candidate, U.S. Rep. Chris Murphy, D-Conn., in New London, Conn., Monday, Oct. 15, 2012. The two are vying for the Senate seat now held by Joe Lieberman, an independent who's retiring. (AP Photo/Jessica Hill) Photo: AP

Republican candidate for U.S. Senate Linda McMahon speaks during a debate against Democratic candidate, U.S. Rep. Chris Murphy, D-Conn. in New London, Conn., Monday, Oct. 15, 2012. The two are vying for the Senate seat now held by Joe Lieberman, an independent who's retiring. (AP Photo/Jessica Hill) Photo: AP

Supporters of Republican Linda McMahon, and U.S. Rep. Chris Murphy, D-Conn., gather prior to a candidate's debate for an open U.S. Senate seat in New London, Conn., Monday, Oct. 15, 2012. (AP Photo/Jessica Hill) Photo: AP

Supporters of Republican Linda McMahon, and U.S. Rep. Chris Murphy, D-Conn., gather prior to a candidate's debate for an open U.S. Senate seat in New London, Conn., Monday, Oct. 15, 2012. (AP Photo/Jessica Hill) Photo: AP

A bagpiper supporter of Republican Linda McMahon, left, walks past supporters for U.S. Rep. Chris Murphy, D-Conn., prior to a candidate's debate for an open U.S. Senate seat in New London, Conn., Monday, Oct. 15, 2012. (AP Photo/Jessica Hill) Photo: AP