Ryan, the chairman of the House Budget Committee, took a shot back at Gingrich, and defended his 2012 budget proposal, including its proposed Medicare reform.

“With allies like that, who needs the left?” Ryan told guest host Raymond Arroyo on conservative talker Laura Ingraham’s radio show…

Ryan strongly disputed Gingrich’s description of his plan, which House Republicans approved last month, and have been fighting to advance since then, despite Democrats’ attacks.

“Hardly is that social engineering and radical,” he said. “What’s radical is kicking the can down the road.”