Could Nevada be the Michigan of 2020 — a state Democrats figured they had in the bag but that unexpectedly goes for Donald Trump? One particular stat about the state has troubled Democrats all cycle: Hillary Clinton won it by less than she lost Arizona, the neighboring battleground. Guarding against any overconfidence, Joe Biden is visiting Nevada during his Western swing on Friday. Biden held a “drive-in rally” Friday at the Southeast Career Technical Academy parking lot in Las Vegas, where he pledged, if elected, to enact policies that would improve the lives of everyday Americans. “You deserve a president...