What do an unemployed American worker, a Tea Party activist and a Chinese entrepreneur have in common? They’re all part of a new documentary film highlighting the growth of solar energy around the world. Directed by award-winning filmmaker Shalini Kantayya and featuring stories from the U.S. and China, “Catching the Sun” focuses on the global race to lead the clean energy future. According to a report late last year from the International Energy Agency, new…