Montana GOP Senate candidate Tim Sheehy stooped to new lows in a recent ad that hit to the airwaves this Summer. In less than 30 seconds, the Koch-funded, billionaire-backed campaign unveiled a series of baseless claims on incumbent Senator. Jon Tester, attempting to misinform Montana seniors on who is looking out for their retirement security. We take a closer look at these lies, and where these two candidates really land on Social Security.