Why, he's doing TV commercials, that's what. You may have noticed him on two ads of late--one pressing for a renewal of the Bush tax cuts and another selling reverse mortgages.
The former Tennessee senator and former Law & Order actor leveraged his Reagan-style conservative repute to briefly make a splash in the 2008 presidential race, after months of will-he-or-won't-he speculation among journalists and analysts, and despite hiring some decent talent to work for him, his campaign never took off...mostly because people got the impression that he didn't really want to be president.
Now, here he is, in a TV ad for the League of American voters' RenewTheTaxCuts.com, with a cool looking goatee:
And here he is promoting reverse mortgages--which, from what I can tell, are mortgages marketed to seniors that let them withdraw cash on home values--for the American Advisors Group: