Watch: Watergate and the Trump impeachment inquiry
Watergate expert Ken Hughes compares 1973 to 2019
Nixon press secretary Ronald Ziegler dismissed the Watergate break-in as a "third-rate burglary attempt;" Trump press secretary Stephanie Grisham dismissed the Ukraine scandal with the phrase "third-hand accounts." Are there other similarities between the two scandals? And what are the most important differences? Our Ken Hughes weighs in.