The GOP has been using California's Democratic governor as a cudgel in battleground districts, tying their opponents to the state’s top official.

With ballots already in voters’ hands, Gov. Gavin Newsom on Monday swooped in to make a last-minute endorsement in the District 16 congressional race, picking Assemblymember Evan Low over former San Jose Mayor Sam Liccardo.

Only about 25% of voters returned their ballots in this congressional district," said Evan Low, State Assembly member for Dist. 26 and candidate for Congressional District 16. Low says he expects many voters in Silicon Valley will turn out on November 5th to cast their ballots.

Gov. Gavin Newsom has made a last-minute endorsement in Silicon Valley’s contested race for Congressional District 16. Newsom is backing state Assemblymember Evan Low in his campaign against former San Jose Mayor Sam Liccardo.

Governor Newsom announced Monday that he's endorsing Evan Low in Silicon Valley's congressional race for District 16. "We are about seven days away from election day. Only about 25% of voters returned their ballots in this congressional district,