 tens of thousands of businesses around the world, triggered a cascade of problems for businesses, emergency systems, and airlines. Third-party security firm CrowdStrike issued a patch, but the damage is baked in for travelers. More than 2,500 flights in the U.S. canceled today. At the Delta Airlines check-in counter at LAX, there are long lines of people who have had their flights canceled. Eli is among them. Trying to get to Grand Rapids to see my mom, who is...