Tonight on Amanpour and Company: Mona Fawaz, Professor of Urban Studies & Planning, American University of Beirut; Leah Stokes, Climate Policy Expert at University of California; Bob Inglis, Former US House Republican; Meryl Streep, Actress and activist & Fawzia Koofi, Former Afghan MP and negotiator & Habiba Sarabi, Afghanistan's first female governor. Walter Isaacson interviews Malcolm Gladwell, Author, Revenge of the Tipping Point.