More than 80 million people viewed Monday's presidential debate.
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The former 2016 candidate will be a guest instructor on education policy.
Trump has said he'll "100 percent" be at the debates despite speculation.
“I never met José Fernández, and yet I feel like I knew him," said Rubio of the Cuban-American pitcher.
The liberal filmmaker is warning Clinton supporters to not become complacent.
Trump reignited their old feud at the end of Monday's presidential debate.
Trump "just decided that we'll just make it clear" after media pressure, Pence said.
Clinton's health had been a more prominent issue going into the debate.
The White House says the Trump-Clinton debate will tear Obama away from the football game.
Clinton aide says Trump hoping to "coast on style and his television showmanship."