text:  Former President Trump returns to the campaign trail today. He's to visit Grand Rapids, Michigan with his new running mate, Ohio Senator J.D. Vance. This is Trump's first rally since he was injured in an assassination attempt last week. Airlines around the world canceled hundreds of flights again today after yesterday's technology disruption. The cybersecurity firm CrowdStrike says it was a faulty update to computers running Microsoft Windows that led to outages around the world.