Summary: <p>President Barack Obama says he wants to end the war on terror. In a major policy speech, he announced steps to narrow the scope of the U.S. drone program and reinforced his vow to close Guantanamo. The president plans a visit to inspect tornado damage in Oklahoma. Another IRS official is on the way out after refusing to testify about the agency's admitted targeting of conservative groups. Apple's CEO and lawmakers square off over taxes. An immigration reform bill moves to the Senate floor for debate. And the FBI shoots a man questioned in the Boston bombings. A panel of journalists joins guest host Katty Kay for analysis of the week's top national news stories.</p>
