Ron Paul winces as Rick Santorum speaks, perhaps feeling a foreshock of

Santorum's flip-flop against capitalism (Steve Marcus/Reuters)



Ron Paul winces as Rick Santorum speaks, perhaps feeling a foreshock of

Santorum's flip-flop against capitalism (Steve Marcus/Reuters)



Add Rick Santorum to the list of Republicans calling for Mitt Romney to release his tax returns. "I don't know why he hasn't released his tax returns. I think he should," Santorum said in an interview Monday on the Laura Ingraham radio show. The former Pennsylvania senator added that it was important especially for "someone with [an] enormity of wealth," like Romney.