Who will play Sting on Broadway next year? That was the burning question posed - sort of - Wednesday night at the Public Theater, as the pop veteran launched a 10-night run of benefit concerts introducing songs "inspired by" his first musical, The Last Ship, due to arrive on the Main Stem in fall 2014. Billed as An Evening With Sting: The Last Ship, the show placed the international star in the Public's 260-seat Anspacher Theater, where he explained to an audience including fan-club members and lottery winners how he conceived his virgin project as a musical-theater composer/lyricist. Set in a Northeast England, where he grew up, it features as its hero a man who is, like Sting, the son of a shipyard worker, who leaves his small community and remains "very ambivalent about where he comes from..."