U PDATE, 1:00 p.m.: The tarp is on the field and the game is not expected to start on time.
UPDATE, 1:35 p.m.: This game will not start on time. No estimated start time announced yet.
UPDATE, 3:25 p.m.: The Nationals announced an estimated start time of 4 p.m.
You know what to do: talk about the game here.