MS NOW

Why are so many Democrats running for president?

The Democrats' 2020 presidential campaign field is the largest ever. It's worth asking why.

Podiums stand empty prior to the start of a South Carolina Republican presidential debate in Myrtle Beach, S.C. on Jan. 16, 2012 (
Podiums stand empty prior to the start of a South Carolina Republican presidential debate in Myrtle Beach, S.C. on Jan. 16, 2012. AFP/Getty Images

Steve Benen is a producer for "The Rachel Maddow Show," the editor of MaddowBlog and an MS NOW political contributor. He's also the bestselling author of "Ministry of Truth: Democracy, Reality, and the Republicans' War on the Recent Past."