Remember, afterall, Dr. Ben's a "pathologically" troubled man. Least that's what he said to backstab Ben. And many here also piled on.
Hope FR is not as chameleon as DT.
Go Trump. :D
Trump was quoting Carson’s own book.
Ben started it, Trump responded with double, the Carson bubble was burst by Ben more than by Trump and they moved on. With Cruz starting with the comments now, Ben probably saw a chance to buddy up to Trump again.