NASHVILLE, Tenn. – Go ahead and get used to it now: the debate over expanding the College Football Playoff to 24 teams isn’t going anywhere anytime soon. Sitting inside Vanderbilt head coach Clark Lea’s office on Wednesday, it wasn’t hard to notice the ongoing chatter that has now once again reared its head.Ever since CFP leaders wrapped meetings in Miami — before Indiana capped an historic season with a national championship — the battle between the SEC and the rest of college football has only intensified, with the most recent gathering taking place just outside of Dallas.COACHES PUSH FOR 24-TEAM…