WASHINGTON — Lawmakers plan to investigate the failure of FTX, the large crypto exchange that collapsed last week and filed for bankruptcy protection, leaving investors and customers staring at losses that could total in the billions of dollars.The House Financial Services Committee said Wednesday that it expects to hear from Sam Bankman-Fried, the 30-year-old founder and former CEO of FTX, who was previously hailed as a hero in the crypto community but now faces potential civil and criminal charges related to FTX …