Republican Sen. John McCain, engaged in increasingly sharp attacks on rival Barack Obama, pledged that if elected president, he would work closely with Democratic House Speaker Nancy Pelosi, praising her as an effective leader and an "inspiration to millions of Americans." "I respect Speaker Pelosi. I think she's one of the great American success stories," McCain said during an interview with The Chronicle prior to a fundraiser at the Fairmont Hotel in San Francisco. "We talk about (New York Sen.) Hillary Clinton and her inspiration to millions of Americans. Speaker Pelosi has been an inspiration as well" in a role...