E: -2.70, S: -4.20
Lame. Unless they have some secret reason to believe that Dill is on an improbable path to becoming competitive, the DSCC should pouring money into the numerous other races in which actual Democrats are competitive.
Seriously, Democrats are better off without King Angus in the Senate. Assuming that they retain their majority, he'll be more of a problem than an extra vote is worth.