Staffers in Joe Biden’s campaign for president seem to be abandoning ship because the leftists are upset that Biden is supporting Israel in its efforts to root out and destroy the terrorist organization Hamas. The claim that staffers are quitting the Biden campaign “in droves” came from purported staffers themselves, 17 of whom reportedly penned an open letter to Biden scolding him for refusing to pursue a “cease fire” between Israel and Hamas. In a letter posted to the website Medium, signed by “17 Biden for President Staffers” — who are otherwise unnamed — the writers blast Biden for his s…