Regulators must ACT NOW! to pause Medicare marketing rule.Medicare's annual enrollment period began on October 15. So it's all but impossible to miss the commercials featuring celebrities pitching Medicare Advantage plans to seniors.Half of Fame quarterback Joe Namath is telling seniors they can get extra Medicare benefits by calling a 1-800 number. Actor Jimmie Walker is advising them to call -- NOW! -- to check whether they're eligible for plans that could be 'Dyn-O-Mite.' William Shatner is imploring seniors to get the benefits they deserve.The ads are enticing -- and sometimes misleading. In response to an increase in complaints about ...