Washington (AFP) – The nail-biting US election was on the cusp of finally producing a winner Thursday, with Democrat Joe Biden solidifying his lead over President Donald Trump and the decisive state of Pennsylvania set to release results.Two days after the most tense election in decades, the meticulous vote counting process — complicated this year by a flood of mail-in ballots due to the coronavirus crisis — reached the end game.Biden, 77, was just one or at most two battleground states away from securing the majority to take the White House. Trump, 74, needed an increasingly unlikely combin…