Tonight, American military service members attacked and killed inside Syria. President Trump talking to reporters outside the White House on his way to the Army Navy football game. >> We will retaliate.>> Trump saying the US forces were ambushed. Three were killed. Two soldiers and an interpreter by Trump says a member of ISIS.>> We mourn the loss of three great patriots in Syria. We also have three wounded. They seem to be doing pretty well.>> Central Command saying the attack was by a lone gunman. That gu ...