By Brendan O’Brien CHICAGO (Reuters) – A variety of U.S. groups are organizing convoys of trucks and other vehicles for this weekend and early next month, emulating the protests against COVID-19 mandates that have roiled Canada in recent days and disrupted North American supply lines. An organization dubbed “Convoy to Save America” said on its website that two separate vehicle convoys will converge this weekend at the Peace Bridge, a U.S.-Canadian border crossing in Buffalo, New York. One of the convoys will leave New York City on Friday and the second from Mount Juliet, Tennessee, on Saturday…