one week from tonight cnn will host the first democratic presidential debate in las vegas. i'll be moderating. the wildcard is joe biden, will he run or won't he? several sources close to biden say he's close to anonouncing hs decision. the vice president is grieving over the recent loss of his son, beau, and said he doesn't know if he's up for a president sh run. in august, maureen dowd wrote that beau biden's dying wish was for him to enter the race. denying a report by politico that mr. biden leaked the emotional detail to dowd to lay the groundwork for a race. joining me, gloria borger and cnn political commentator dan pfeiffer who was a senior adviser to president obama. gloria, you've been calling sources again tonight. how does this politico article and the pushback from the vice president's office factor into joe biden's timetable? >> everybody i talked to who considers themselves an ally of joe biden says to me, look, there's a lot more pressure now for joe biden to make a decision