**SNIP** Most of the ad is standard campaign fare, and not particularly noteworthy, even though the endorsements from Sheen and Moore are several years old. Both were taken from Grayson's House campaign nearly six years ago. But at the 18-second mark, the ad gets really interesting. That is the point where Grayson - to promote his Senate bid - uses an MSNBC clip of him speaking during a congressional hearing - yet another violation of U.S. House rules. Grayson runs afoul of ethics rules on the use of official resources for campaign or political purposes, namely House Rule 11, Clause...