ABC News/WashPost National Numbers

Horserace: Obama 50, Clinton 43

When Democrats were asked if Clinton should stay in the race after March 4:

If she loses Texas or Ohio: 76% yes; 29% no

If she loses both Texas and Ohio: 45% yes; 51% no

Dates: Feb. 28 - March 2; Error margin: 3 points. Read more here.