when he says lap dogs. it s part of today s first read. plus, why ben affleck is now explaining, or his explanation for why he asked pbs to ignore the fact that his ancestors owned slaves for the very popular show finding your roots. now the network is opening its own investigation. it is our news nation gut check. and this push it real good come on i know you remember the words, and hopefully the moves. the legendary hip hop group salt and pepper in the 1980s hit it with push it, one of the first hip hop songs nominated, by the way, for a grammy. little factoid for you. now after taking time off to start families, the pioneering duo is making a return. coming up, they will join me live. you know what tweet your favorite salt and pepper song to us, just tweet a question, what would you like them to answer?