On Monday, 'Morning Joe' co-host Joe Scarborough said that many Republicans on Capitol Hill say Donald Trump is 'unstable' when the cameras aren’t rolling. Scarborough explained, "If you measure what Republicans say when the cameras aren’t turned on and they tell you that they believe he’s unstable, which they do. So many people on Capitol Hill say that." He then added, "But you turn the cameras on and you have people blindly going out there saying he’s the greatest president of all time.