US president promoted fictional claim from satirical website that has been debunked repeatedly since 2017Donald Trump promoted the false claim that Barack Obama has earned $40m in “royalties linked to Obamacare” in a post to his 11 million followers on Truth Social on Sunday.The fictional claim that the former US president receives royalty payments for the use of his name to refer to the Affordable Care Act, which he signed into law in 2010, has been repeatedly debunked since at least 2017, when it was featured on America’s Last Line of Defense, a satirical website that produces fake news reports