Toby Melville/Pool Photo via AP; BRENDAN SMIALOWSKI/AFP via Getty Images; Chelsea Jia Feng/BIWhile Mark Zuckerberg and Elon Musk never did face off in that cage match, "Uncle Elon" has bested Zuck in the political arena, becoming one of the most powerful unelected figures in modern US history. Now, in hopes of forging a friendlier relationship with the Trump administration a second time around, Zuckerberg seems to be following a new mantra: If you can't beat Elon, be him.On Tuesday, Meta announced it would end third-party fact-checking and replace it with a more hands-off content-moderation policy in which users police one another through community notes — just like Musk's X.