Video After The Jump   Part four of Wiz Khalifa and his Taylor Gang posse's 2050 Tour vlog takes us to San Jose, California where Wiz rocks the crowd and has a meet and greet with fans, where he poses for pictures and signs autographs.   We follow the crew onto their tour bus where they smoke heavy amounts of weed and spit rhymes before pulling into Las Vegas.   There Wiz links up in the Vegas…