The Wall Street Journal writes this:
“Our party is in its deepest crisis since Watergate in 1974,” said Ron Nehring, former chairman of the California Republican Party, referring to the mid-term election when the resignation of then-President Richard M. Nixon led to a Democratic landslide. “It’s compounded by the fact that it doesn’t matter whether Donald Trump were to bow out. It’s too late to change the candidate on the ballot.”
Certainly for California Republicans. CA-49 is looking like a tossup now, especially since we start voting on Tuesday. Doesn't help Issa was announced yesterday as joining Trump's national security advisory team