By Jack Queen and Luc Cohen NEW YORK (Reuters) – Sam Bankman-Fried entered a federal courthouse in Manhattan on Tuesday, Reuters video showed, ahead of a hearing in which he is expected to enter a plea of not guilty to criminal charges that he cheated investors in his now-bankrupt FTX cryptocurrency exchange. Bankman-Fried is accused of looting billions of dollars in FTX customer deposits to support his Alameda Research hedge fund, buy real estate and make millions of dollars in political contributions, in what prosecutors have called a fraud of epic proportions. He entered the court wearing a…