Some of Elon Musk's biggest business clients are rethinking their relationship with his tech empire amid a fresh spurt of controversial behavior. Now, so is Congress. Since Musk parroted antisemitic tropes and boosted a debunked conspiracy theory about child sex trafficking, some lawmakers are calling for the federal government to reevaluate its relationship with the tech mogul, whose companies receive billions of dollars in federal contracts. Some lawmakers said they were particularly concerned