From New York Times:
DES MOINES — President Obama and Representative Paul D. Ryan went head-to-head Monday for the first time since Mr. Ryan ascended to the Republican presidential ticket.
In an early test of themes that will undoubtedly dominate the campaign in the remaining months, the two men parried on welfare, the unemployment rate and the role of government. Mr. Obama painted his rival as a conservative ideologue whose refusal to compromise has led to the Washington gridlock that has alienated many Americans.
During Mr. Obama’s first full day of campaigning since Mr. Ryan joined Mitt Romney on the G.O.P. ticket, the president used an appearance in Council Bluffs to target Mr. Ryan squarely. “I am told Governor Romney’s new running mate is in Iowa today,” Mr. Obama said, to jeers from the crowd of 4,300 gathered in a park here. “He is one of the leaders of Congress standing in the way” of passage of a farm bill.