. >> scholars, go to our website, kpix/sra, we'll be right back. look, this isn't my first rodeo... and let me, i wouldn't be here if i thought reverse mortgages took advantage of any american senior, or worse, that it was some way to take your home. it's just a loan designed for older homeowners, and, it's helped over a million americans. a reverse mortgage loan isn't some kind of trick to take your home. it's a loan, like any other. >>> this is a cbs news special report. i'm in washington, welcome back. the hearings are about to resume with two key witnesses, kurt volker. he's the special envoy to the ukraine. that will be interesting to hear from him. and tim morrison, a russia expert at the national security council. and this man volker is key to this dealings because of his keys to the government and rudy giuliani and ambassador sondland. he's one of the so-called try amigos who are accused of this irregular diplomatic channel. we'll hear him say today he's uncomfortable being lumped in that three amigthere are two in he's not part of it. >> l