Rep. Sestak criticizes his own caucus

During an exchange on national issues, Toomey offered praise for former President Bill ClintonBill ClintonFive takeaways from wild debate Pundits react: Clinton won first debate Mark Cuban: I went 'rogue' on front-row seat tweet MORE. "He helped balance the budget, he lowered taxes on capital gains, he reformed welfare and expanded trade agreements," he said.

Sestak was not so generous in praising the GOP. Instead, he likened Toomey to Specter. "I'll just call you Arlen, you can call me Joe,” he said he told his opponent before the debate.

A new Morning Call/Muhlenberg College Poll shows Toomey beating either Democrat in a general election match up.