Goodbye Jack 🐦 — Canada is teaming up with Mexico to fight unfair free trade rules. Jack Dorsey is stepping down as CEO of Twitter. And Nissan is getting serious about

Canada is teaming up with Mexico to challenge the U.S.' rules to determine where car parts are made. Twitter CEO Jack Dorsey is stepping down and appointing Parag Agarwal as his successor. And Nissan is launching a US-$18 billion electric vehicle initiative.