With just 16 days until Election Day, the Democratic governors of the three "blue wall" battleground states touted the strength of Vice President Kamala Harris' ground game, and predicted she would prevail in their states but acknowledged how close the presidential race is.

With three weeks left in the presidential campaign, Democrat Kamala Harris is spending most of her days trying to shore up support in the “blue wall” states of Pennsylvania, Michigan and Wisconsin as she tries to avoid a repeat of Hillary Clinton’s collapse there eight years ago.