Canada imposes $20 billion in retaliatory tariffs on the U.S., while record-high diesel prices strain farmers and test political alliances. The RNC opens its convention in Dallas, billed as "Trumpapalooza," with President Trump as the headliner. Meanwhile, Houthi attacks injure over 70 in Saudi Arabia, and the UK bans trade with Israeli settlements in the West Bank. The episode also notes a record-breaking summer box office season and the theft of two Renoir paintings from a French museum.