The CBS News Battleground Tracker poll finds that 67% of likely Democratic voters in the early primary and caucus states of Iowa, New Hampshire and South Carolina believe that if their party wins back the White House, it will be because they turned out voters who stayed home in the past. CBS News political correspondent Ed O'Keefe, CBSN political reporter Caitlin Huey-Burns and Wall Street Journal reporter Ken Thomas spoke to "Red & Blue" about the 2020 race.
