Jimmy Kimmel, 58, is refusing to back down from his longtime feud with Donald Trump and first lady Melania Trump. The late-night comedian set off chaos when he joked that Melania, 56, had the “glow of an expectant widow” during an April 23 episode of “Jimmy Kimmel Live!” The Trumps were not amused and soon called for his firing. Just when people thought Kimmel had learned his lesson, he found a brand-new reason to make Melania a punchline.
Late…