Huawei exec pokes fun at U.S. spying, Snowden at tech show

BARCELONA, Spain -- A top executive at Chinese tech supplier Huawei poked fun at U.S. intelligence on Tuesday as he sought to reassure people attending the world's biggest mobile industry fair that the company's technology is secure. Guo Ping, Huawei's rotating chairman, used his keynote speech at MWC Barcelona to fight back against U.S. allegations that the company's technology poses a national security risk to next-generation mobile networks. "PRISM, PRISM, on the wall, who is the most trustwo