Welcome back to Trump's America. It's so much different this time around.

Kent Nishimura/Getty Images; Rebecca Noble/Getty Images; Chelsea Jia Feng/BI

When President-elect Donald Trump is sworn in for a second term on January 20, a lot will have changed since his 2017 inauguration, when he came into office as a political outsider who still elicited skepticism from many in Washington's Republican political class.