WASHINGTON (Reuters) -President Joe Biden will say on Wednesday that threats by some Republican candidates to refuse to accept election results if they lose is a "path to chaos" and will urge voters to reject election deniers. The White House released excerpts of a speech Biden was to deliver later on Wednesday night as he tries to help Democrats face down a strong challenge from Republicans and maintain control of the U.S. Congress. Biden will say that the Nov. 8 elections are the first since the Jan. 6, 2021, attack on the U.S. Capitol by supporters of then-President Donald Trump....
