“It’s a sense of being seen. A sense of power and ability. I felt it the very first time I went on stage and got a laugh.” Even at 61,Rob Lowe doesn’t look dissimilar to the teen heartthrob America fell in love with in “The Outsiders.” Now, the Brat Pack member is is taking a turn as game how host on “The Floor,” which premiered its third season in February. The actor and AARP the Magazine cover star spoke with us about getting sober 35 years ago, how he segued into comedic roles and what he lik