Mutinous troops who seized a Manila shopping and apartment complex demanding the government resign ended a 19-hour standoff late Sunday and returned to barracks without a shot fired .
Nearly 300 mutinous troops who seized a Manila shopping and apartment complex demanding the government resign gave up and retreated peacefully after some 19 hours .
Charles Howell III picked up some local knowledge a year ago that provided some much needed insight in Thursday 's opening round of the Memorial Tournament .