WASHINGTON, Sept. 15 -- Sen. Roger Marshall, R-Kansas, issued the following news release: U.S. Senator Roger Marshall, M.D. sent a letter to U.S. Secretary of Agriculture Tom Vilsack, encouraging him to eliminate the "Product of the USA" meat label and instead create multiple new voluntary labels to address consumer confusion and help ranchers distinguish their products in the meat case. In July, the U.S. Department of Agriculture (USDA) announced the initiation of a top-to-bottom review of the more PR