[Photos by NickyDigital]. The producers of Michael Cera's new film "Paper Heart" and La Rumba Express Bus Company teamed up on Thursday to give several lucky New Yorkers the "bus adventure" of their lifetimes.  The debauchery began as the bus picked up Charlyne Yi, Cera's co-star, at Rockefellar Center and made its way toward Johnny Utahs in Midtown, where the actress participated in the obligatory wing-eating contest and bull-riding competition. More story, photos, and video (!) below... More»