and their message is spreading. it is week three of the occupy wall street propest and the group is gaining momentum. demonstrations started on september 17th in new york city. new offshoots are popping up in boston, chicago, denver and seattle. their signs and slogans make it clear they oppose everything from bank foreclosures and job shortages to corporate influence and greed. now several labor unions are endorsing the occupy wall street movement and plan to join protesters today. we go live to wall street. susan, what s the latest on the unions getting involved? have you seen any union members there? reporter: yes, some of them are showing up here randi at this public park. this park population has been steadily growing as the morning goes on. and they expect upwards of they re saying tens of thousands of people. of course, they have made many predictions in the past about how quickly and how many people will show up at various marches. this one they insist will be dif