Geraldo Rivera criticized Jimmy Kimmel, calling him "not very funny" and accusing the late-night host of insensitivity over jokes about conservative activist Charlie Kirk's death. Rivera made the remarks during appearances on CNN, arguing Kimmel crossed a line and disrespected a grieving family. BOOM: Even Geraldo Rivera is slamming Jimmy Kimmel, who should be FIRED"Kimmel's problem is he's not very FUNNY.""The morning of Charlie Kirk's death, or the night after, he revealed his true gutter instinct when it comes to Trump." pic.twitter.