Matt Gaetz echoed Donald Trump’s infamous remarks about the far-right Proud Boys on Thursday, as the Florida Republican congressman and other rightwing supporters of the former US presidentattended his criminal trial in Manhattan. “Standing back, and standing by, Mr President,” Gaetz wrote on social media, with a photo of his group of supporters standing behind Trump outside the court where Trump is on trial on election subversion charges arising from hush-money payments to an adult film star during the 2016 campaign. The Proud Boys, a “western chauvinist” group, were involved in street violence during Trump’s years in power, clashing with...