Arab Israelis protestors hold up the Palestinian flag in the village of Hittin as they march for the right of return for Palestinian refugees who fled their homes or were expelled during the 1948 war that followed the creation of the state of Israel, near Tiberias in northern Israel, on April 15, 2021. Israelis are marking Independence Day, celebrating the 73th year since the founding of the Jewish State in 1948 according to the Jewish calendar. / AFP / Ahmad GHARABLI
Two powerful Republican members of Congress have used their authority to place a hold aid destined for Palestine. AFP

Why are Republicans blocking Biden from resuming Palestinian aid?