Rep. Nancy Mace said she is trying to build GOP support for the bill, drawing a rebuke from a top Republican in her state. Rep. Nancy Mace, a first-term Republican from South Carolina, introduced a bill Monday to decriminalize cannabis at the federal level, which she hopes will garner more GOP support for the legalization movement. "This legislation, I believe, has something good for everyone, whether you're a Democrat or a Republican," Mace told reporters…