Donald Trump cast himself both as a peacemaker and fierce defender of US interests in a mercurial return to the White House on Monday, vowing to seize the Panama Canal

Many assume this Trump tough talk is his signature bluster, which he uses to threaten allies to do what he wants. When he suggested renaming the Gulf of Mexico the “Gulf of America,” Mexican President Claudia Sheinbaum trolled Trump with a 17th-century map labeling the United States “America Mexicana.”