Despite its seeming inevitability, Joe Biden’s decision to drop out of the race still came as a shock – especially to his dedicated campaign staffers, who were blindsided by the abrupt end of the president’s bid for re-election. Isolated at his $3.4 vacation home in Rehoboth Beach, Delaware while recovering from COVID, surrounded only by a shrinking inner circle made up of first lady Jill Biden and longtime advisors Anthony Bernal, Annie Tomasini, Mike Donilon, and Steve Ricchetti, the 81-year-old POTUS made the call on Saturday night, RadarOnline.com can reveal. Biden was “really pissed off” …