Justin Long had an accident! While appearing on the “PIE With Kurt Sutter and Katey Sagal” podcast, which aired on Tuesday, July 16, he admitted he pooped the bed alongside his wife, Kate Bosworth. While on a trip to Mexico City with the actress, 41, the star, 46, contracted food poisoning — and everything went downhill from there. “I was hooked up to an IV, and [Kate] was having to follow me to the bathroom with the thing,” he explained. “It was like Dumb and Dumber. I was just, like, really comically unloading, and then, at one point that night, I woke up, and there’s no other way to say thi…