John McCain met with boos as he pledged to work with Barack Obama . McCain voters go online to vent , find solidarity . McCain 's concession similar to Sen. Hillary Clinton 's calls for unity . Obama should ask McCain to help his tone , strategist Donna Brazile said .
John McCain met with boos as he pledged to work with Barack Obama . McCain voters go online to vent , find solidarity . McCain 's concession similar to Sen. Hillary Clinton 's calls for unity . Obama should ask McCain to help set tone , strategist Donna Brazile says .