COMING UP ON 'THIS WEEK' 7.1.07

— -- Our headliner this Sunday, Secretary of Homeland Security Michael Chertoff on the foiled terror plot in London and the U.S. security response.

Then, the Chair of the Homeland Security Committee, Senator Joe Lieberman, I/D-Ct., joins George to discuss the Congressional response to the terror threat and the week's news: the death of the immigration bill,  the mounting Republican opposition to the war in Iraq, the escalating debate over executive privilege, and the landmark Supreme Court decision on race.

On our roundtable, The Washington Post's Ruth Marcus, Republican strategist Bay Buchanan, ABC News Consultant and Democratic strategist Donna Brazile and ABC News' Cokie Roberts join Mr. Stephanopoulos to debate the week's politics.  Plus, Emmy award-winning actor James Earl Jones on the relationship between liberty and literacy as we go into the 4th of July weekend.