Roger Waters, co-founder of Pink Floyd, tells CNN why he puts a warning at the beginning of his concerts

Pink Floyd co-founder Roger Waters warns his fans on his solo tour that if they can't stand his politics, "go to the bar."

His agenda includes calling President Biden a war criminal and firing a fake semi-automatic weapon into the crowd.

Waters responds to CNN's Michael Smerconish with the same passion as he plays his music onstage about what he thinks of the war between

and the geopolitics between