Trump fumes about Russia investigation as nation mourns

President Donald Trump gestures as he leaves the White House Friday for a trip to his private Mar-a-Lago resort in Florida. (Manuel Balce Ceneta/AP Photo)

WEST PALM BEACH, Fla. — As the nation mourned, President Donald Trump kept largely silent about the Florida school shooting victims and the escalating gun control debate, instead raging at the FBI for what he perceived to be a fixation on the Russia investigation at the cost of failing to deter the attack.