Subtitled in Portuguese11:43How to ask for help -- and get a "yes"Heidi GrantTranslated by Elisa França VasconcellosReviewed by Margarida Ferreira
Subtitled in Portuguese19:25Let's transform energy -- with natural gasT. Boone PickensTranslated by Carlos GonçalvesReviewed by Elisa França Vasconcellos
