Hunter Biden is serious about wanting to stage a cage match between him and Donald Trump Jr. , and he wants Joe Rogan to help. In an extensive post shared on X, former President Joe Biden’s son called out Joe Rogan for his involvement in the UFC Freedom 250 event. Rogan co-hosted the event, alongside Daniel Cormier, on the White House’s South Lawn on Saturday (June 14 ). “I wish I could sit down with you face to face and explain why so many of us were offended by the UFC fight on the South Lawn of the White House,” wrote Hunter. He said his issue isn’t the UFC—which he called a “bona fide American success story”—or the fighters for taking part, or even the “hilarious and brilliant” comedian Shane Gillis . But he believes that “public spaces are sacred.” “The White House does not belong to Donald Trump,” he continued. “It does not belong to any President. It belongs to the people. To treat it as Caesar treated the Colosseum is antithetical to everything our founding fathers fought for. This is not Rome.…