For those of us who are older, we remember the raised arm with closed fist at the  olympics years ago.  The manner of protest is equally expressive of the treatment given to Africa-Americans, Moslems, or anyone who believes they are percecuted in the US.  The right to protest is quaranteed in the Constitution.  So Agent Orange is likely ignoring his Presidential requirement to defend the Constitution.  As such, he is able to be impeached.  How ironic that African-American sportsman and women could bring down a President.  Better if he cancelled his Twitter account and acted an a rational human being.