He a petulant wannabe. That grandstanding, far from helping him, made him one of the three amigos. Demanding Tillerson call Putin a war criminal was stupid. Not merely foolish, it was outright stupid. After that little show he should lose his seat on the committee. He needs to join the backbench with the other amatures
Donald’s manner, I expect, will be to let the smallminded do their own shrinking, and then let the big folks push on by.