EXCLUSIVE: President Trump on Wednesday is calling for "all Americans" to help "ease tensions and calm tempers," saying he does "not" stand for violence "of any kind" -- and he's asking Big Tech to join the effort. "In light of reports of more demonstrations, I urge that there must be NO violence, NO lawbreaking and NO vandalism of any kind," the president said in a statement to Fox News. "That is not what I stand for and it is not what America stands for. I call on ALL Americans to help ease tensions and calm tempers. Thank You." A Trump...