As President Donald Trump's declining health becomes more and more unavoidable, one top political analyst told The Daily Beast that there is one official most likely to seize power, and it is not one most might expect. Instead of the obvious candidate, Vice President JD Vance, Rothkopf suggested that it will be one of the president's most controversial and staunchly loyal aides: Stephen Miller. “This is an 80-year-old guy who is obviously not physically or mentally healthy or up to the job he’s got,” Rothkopf said. This happened with Biden, by the way, where they just sort of don’t put you center stage. "And they said that after Reagan entered his decline, they had rules after 5 p.m., they didn't ask a question.