Services and other events set for McCain

WASHINGTON — Presidents past and present joined members of Congress from both parties and world leaders in mourning Sen. John McCain and praising him for a lifetime of service and accomplishments.Former Presidents George W. Bush and Barack Obama, who blocked the Arizona Republican's own White House ambitions, are among those expected to speak at McCain's funeral."These were bitter contests, both of them," said Sen. Jeff Flake, R-Ariz., and "to ask them to speak at your funeral, and for the