MS NOW

Biggest. Field. Ever.

With 22 possible Republican presidential candidates, the question is hard to avoid: why is the GOP's 2016 field so enormous?

The stage is seen inside Air Force One Pavilion before the start of the Ronald Reagan Centennial GOP Presidential Primary Candidates Debate at the Ronald Reagan Presidential Library on Sept. 7, 2011 in Simi Valley, Calif. (Photo by David McNew/Getty)
The stage is seen inside Air Force One Pavilion before the start of the Ronald Reagan Centennial GOP Presidential Primary Candidates Debate at the Ronald Reagan Presidential Library on Sept. 7, 2011 in Simi Valley, Calif.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."