The Trump administration imposed 50% tariffs on Canadian goods using an unprecedented law, prompting Prime Minister Mark Carney to pledge intensified trade talks. Meanwhile, experts question the security of a newly upgraded Air Force One after a brief maintenance period. Rising U.S.-Iran tensions have pushed gas prices above $4, while Tropical Storm Bertha threatens Louisiana and Texas. Additionally, a federal judge temporarily halted the Paramount-Warner Bros. Discovery merger over competition concerns.