President Joe Biden waves as he walks off stage after speaking at a campaign rally for Pennsylvania's Democratic gubernatorial candidate Josh Shapiro and Democratic Senate candidate Lt. Gov. John Fetterman, on Nov. 5, in Philadelphia.Patrick Semansky/The Associated Press Republicans are eyeing major gains in Tuesday’s elections and appealing to supporters over the final weekend of the 2022 campaign to punish Democrats for high inflation and crime rates that have risen in some places. President Joe Biden and his two most recent Democratic predecessors said the prospect of GOP victories could undermine the very future of American democracy. More than 39...