India, Feb. 29 -- US President Joe Biden won the Michigan Democratic primary, AP reported, as he faced protest votes over his handling of Israel's war against Hamas in Gaza. On the Republican side, former President Donald Trump dominated, easily defeating his last remaining major challenger, Nikki Haley. Trump has swept the primary and caucus contests so far and on Saturday delivered a humiliating loss to Haley in her own home state of South Carolina, solidifying his path to the nomination. Later, Biden reported to a hospital Wednesday for his last yearly medical examination before November's election as scrutiny intensifies over the 81-year-old's fitness and mental acuity for a second term.P15...