Interestingly, Donald J. Trump has not gone after former President Barack Obama, except to emphasize his middle name for xenophobic reasons. Still, Mrs. Obama is getting under his fragile skin. Trump was the one who circulated his birther trash conspiracy theories, and now he's big mad. On Monday, Trump posted about Michelle Obama on Truth Social, calling her "out of control." Then, last night at his rally, he cautioned the former first lady that she had made a "big mistake" by being "nasty" to him at a rally in Atlanta. "Michelle Obama," he said.