McCain Bush Flap Senator John McCain has been visiting old battlegrounds in Vietnam this week. But back the U.S, memories of a more recent campaign are still fresh. Senator McCain has yet to endorse the man who beat him in the Republican presidential primaries, Texas Governor George W. Bush. Top aides to the two rivals met Friday in Washington to plan a get together for their bosses -- tentatively scheduled for May 9 in Pittsburgh. NPR's Peter Kenyon reports.