Biden is gearing up for a big-money fundraiser with mega-donors in the Hamptons on Saturday — ignoring calls for him drop out of the 2024 presidential after a catastrophic debate performance. Biden and First Lady Jill Biden will head off from La Guardia airport at noon to a reception in East Hampton, NY, hosted by hedge-fund billionaire Barry Rosentein and his wife Lizanne. The event kicks off at 2:45 at their sprawling 18-acre ocreanfront estate in the exclusive Long Island enclave. [cut] Fellow hedge-fund titan Eric Mindich and his Tony Award-winning producer wife Stacey, celebrity couple Sarah Jessica Parker and...