Senators Debate as Health Care Bill Reaches Markup

(CBS)
As ranking Republican on the committee, Senator Charles Grassley of Iowa (left) has been an opponent of a government-funded health care option.
"I am going to make sure we are not going to nationalize health insurance, and a public plan is the first step to doing that," Grassley told guest moderator John Dickerson Sunday.
Author Thomas Friedman on Obama's Afghanistan plan and the war on terror.