Sam Bankman-Fried's college roommate and ex-colleague, Gary Wang, testified on Thursday at the FTX cryptocurrency exchange founder's fraud trial that Bankman-Fried told him to give a hedge fund they co-owned special trading privileges on FTX. The special privileges granted to the hedge fund, Alameda Research, included a $65 billion line of credit, several orders of magnitude bigger than the amount other users were able to borrow, he said. Alameda had withdrawn $8 billion from FTX by the time of the exchange's bankruptcy in November 2022, Wang testified. "It withdrew so much that FTX was not able to repay customers who…