Nearly 10 years ago, American-Israeli filmmaker Eytan Fox (The Bubble) won acclaim at Tribeca with his hit first film, Yossi & Jagger, about two Israeli soldiers who are (somewhat) secret lovers. That film was a novella compare to its sequel, Yossi. Ohad Knoller, who won the festival’s best actor award in 2003, reprises the title role. Now in his thirties, the by-the-book Yossi’s a Tel Aviv cardiologist and more than 20 pounds heavier….