Atlanta (AFP) - Joe Biden and rival Donald Trump each won enough delegates Tuesday to clinch their party nominations in the 2024 presidential race, networks projected, all but assuring a rematch and setting up one of the longest election campaigns in US history. The results in four statewide elections Tuesday, the latest in the months-long march to determine the Democratic and Republican party flagbearers, were essentially a foregone conclusion as incumbent Biden and former president Trump had already seen off all primary challengers. Biden crossed the threshold of 1,968 delegates needed when ...