 The cybersecurity firm CrowdStrike said the trouble with the update it issued was not a security incident nor a cyber attack. Donald Trump and J.D. Vance set to hold a post-convention rally in the battleground state of Michigan later today. Here's White House correspondent Greg Claxton. Riding a wave of momentum after leaving the GOP convention here in Wisconsin, Trump and Vance will hold their first campaign rally after accepting the Republican nominations for president and vice president.