make a decision about whether he s in or out. sources close to the vp tell me a decision could come within the next 48 hours. with democrats growing increasingly anxious, it s decision time for vice president joe biden. today, he s tucked away at his home in delaware, deliberating. there s more evidence he s looking seriously at getting in. reporter: sources close to the vice president say his family is on board with a run. and now he s calling supporters in early voting states to gauge whether he has a path to winning. on friday, president obama declined to weigh in. i don t have to share my views about that right now. because i think it s important for the american people to make up their own decision. reporter: also ted kauffman sent a letter out, saying if he decides to run, we will need each and every one of you yesterday. the letter designed to send a signal. biden wants space to decide and the door hasn t closed yet, but hillary clinton s top supporters