you are live in the cnn newsroom and i am jim acosta in washington. president biden just wrapped up the kickoff to his re-election campaign in philadelphia. he did it surrounded by union workers and county poll prolabor policies. i am more honored by your endorsement than you can imagine . it is going to make a gigantic difference in this campaign. we are joined now by cnn s priscilla alvarez. it is very significant to the re-election campaign. isn t that right? reporter: that is right, jim. president biden highlighted his personal times by having this union rally in philadelphia and it was an event put on by the labor movement and they were celebrating the endorsement along with 17 prolabor groups and you heard it from president biden because it was the earliest that they have endorsed a presidential candidate. there was enthusiasm in the crowd of 2000 union members as president biden tries to wrap up his campaign and with became very clear over the course of his rem