The revelations that John Walsh plagiarized a major paper in college have now completely torpedoed his chances for retaining the seat. To be fair, there was little chance that Walsh was going to win in any case. But the difference between "little chance" and "no chance" can be measured in hope. There is now no hope for Democrats in Montana, this year.
Boehner has gone from confidently touting his and his fellow House Republicans' upcoming leadership on the issue of immigration, to now doing nothing more than groveling for Obama to solve the problem using his executive authority -- which is an ironic enough stance for a Republican to take, these days.
Poor Hillary? I don't think so. I think she's perhaps a little surprised at which particular aspect of her life is now being attacked (if she had a cartoon thought bubble over her head right now, it might read: "This is all you got? Really?!?"), but I don't think she's surprised the attacks have started.