WASHINGTON, March 16 -- The U.S. Department of Justice issued the following news release: A Florida man was sentenced today to four years in prison followed by three years of supervised release for conspiring to violate U.S. firearms laws, making false written statements to federally licensed firearms dealers during the purchase of two firearms, and making false written statements as part of a security clearance background investigation. Fan Yang, 37, of Jacksonville, was convicted by a federa  more