The 2020 Democratic presidential contenders are already discussing the issues that will help to determine who wins the party’s nomination. But rather than one policy issue such as health care or foreign policy, polling is making it clear that something else will be key to success in the primary: President Donald Trump.
The President will shape the Democratic presidential primary in a way not seen in any recent year. CONT.
Harry Enten, CNN
Recent polls: White House 2020