>> good morning, terrell, vice president joe biden is now in on negotiations. senate minority leader mitch mcconnell reached out to him sunday night after talks with democrats stalled. but with just hours go until this deadline there are still obstacles standing in the way of even a watered down agreement. lawmakers left the capitol sunday night without a deal in place, but leaders from both parties expressed their willingness to continue working. >> there's still significant difference between the two sides but negotiations continue. >> i want everyone know i'm willing to get this done but i need a dance partner. >> some progress was made sunday when they dropped a proposal to slow social security growth but the main sticking point between democrats and republicans continues to be over the threshold of tax increases. president obama campaigned on raising taxes on income over $250,000 while many congressional republicans have