In the recesses of the internet where some of Donald Trump’s most fervent supporters stoke conspiracies and plot his return to the White House, suspected con artists have been mining their disappointment over the last presidential election for gold. They’ve been peddling “Trump Bucks,” which are emblazoned with photos of the former president, and advertising them online as a kind of golden ticket that will help propel Trump’s 2024 bid and make the “real patriots” who support him rich when cashed in. John Amann told NBC News he bought $2,200 worth of Trump Bucks and other items over the past...