BTRTN 2020 Vision: The Senators Have Arrived, Next Come the "B's"
Latest edition of the monthly feature providing a detailed update on the 2020 Election, including all the "numbers":
http://www.borntorunthenumbers.com/2019/02/btrtn-2020-vision-senators-have-arrived.html
"The 2020 campaign ramped up considerably in the last month, as the Democratic field nearly doubled from six to eleven, and the GOP field did double from one to two. And it is entirely possible that both fields could double again in the coming months.
For the Democrats, the key end-date for entering the fray is probably May 31. The national debate schedule has been announced; the first one will be held in June (those early debates will actually be held on pairs of nights to accommodate the anticipated large field). No Democrat will want to miss that opportunity. But realistically, with nearly a dozen candidates traipsing through Iowa and New Hampshire (and South Carolina) already, only Joe Biden can really afford to wait too much longer than, say, March 31 to get in the game.
On the GOP side, the calculus for “primarying” Trump is more complicated with respect to timing, as the only likely trigger is the Mueller report. If it is utterly damning, it could tempt several big names to challenge Trump, and that could be true even if the Dems decide against initiating an impeachment process..."