Summary: <p>Chief Justice John Roberts joined the liberal members of the Supreme Court to uphold President Obama's health care overhaul. Presidential hopeful Mitt Romney and other Republican leaders pledged to fight for repeal of the law. The House voted to make Eric Holder the first sitting U.S.Attorney General to be held in contempt of congress. New York Congressman Charlie Rangel and Utah Senator Orin Hatch survive hard-fought primary battles. Earlier in the week, the Supreme Court struck down several parts of Arizona's immigration law, but upheld the controversial "show me your papers" provision. Ron Elving of NPR, Karen Tumulty of the Washington Post and John Harwood of CNBC join Diane for analysis of the week's top national news stories.</p>
