quit “Good Morning Britain” over a clash about Meghan Markle — insisting his father’s detractors “thrive off racial division.”Spencer Morgan, 27, who shared a photo of himself with his dad on Instagram, promised that “the comeback will be greater than the setback.”“Team Piers. Always, forever,” he wrote.He also expressed his support on Twitter, where he wrote his 60,000 followers: “What you all actually mean is #bekind to people you like isn’t it.