When she gets smoked tonight, the Dems will know how much they need to cheat... In my opinion, that her only reason for continuing, to get a hard number for the printers
Primaries provide no useful data for general elections.
There are many reasons for this. Here are two:
Primaries have lower turnout than general elections.
This is March and the election is November—that is forever given how fast the world changes these days—the major issues may be significantly different.