[ad name=”468×60-text-film-ad”] Joseph Gordon-Levitt, Zooey Deschanel and Chloe Moretz star in the romantic dramedy 500 Days of Summer. When Tom (Gordon-Levitt), a hapless greeting card copywriter and hopeless romantic, is blindsided after his girlfriend Summer (Deschanel) dumps him, he shifts back and forth through various periods of their 500 days “together” to try to figure…