..............[U.S. Senator Jeff] Sessions last week accused the tech industry of perpetuating a "hoax" by claiming there is a shortage of qualified U.S. tech workers. "The tech industry's promotion of expanded temporary visas -- such as the H-1B -- and green cards is driven by its desire for cheap, young and immobile labor," wrote Sessions, in a memo he sent last week to fellow lawmakers. Last summer, Sessions attacked Microsoft's push for more H-1B visas as it laid off 18,000 employees. Now, as subcommittee chairman, Sessions will have the ability to conduct investigations and hold oversight hearings. That Senate memo...