At 83 years old, Bernie Sanders has emerged as an unlikely leader of the Democratic resistance to Donald Trump.

The CDC conducted previous investigations, confirming past scientific studies that found no link between the two.

Dr. Jay Bhattacharya answered a variety of questions for Senators during his confirmation hearing, where restoring trust in science was the main theme.

ANALYSIS: As Democrats jousted with the man they see as the ultimate heel, the president channeled his inner WWE authority figure. Eric Garcia reports from inside the House chamber ...