During an appearance on MSNBC's "Morning Joe," regular contributor Donny Deutsch reflected on the large crowd that turned out for Donald Trump's first rally since losing the presidential election to former Vice President Joe Biden and tried to get his head around why they showed up for the lame duck...

During an appearance on MSNBC's "Morning Joe," regular contributor Donny Deutsch reflected on the large crowd that turned out for Donald Trump's first rally since losing the presidential election to former Vice President Joe Biden and tried to get his head around why they showed up for the lame duck...