FRIDAY PM: Today was sluggish at the box office, especially for matinees. Sources just gave me early Friday and estimated Labor Day holiday weekend grosses for North America. Numbers will be refined in the AM. Analysis coming: 1. The American (Focus Features) NEW [2,823 Theaters] Opened Wed Friday $4.1M, Estimated 4-Day Holiday $16M, Estimated Cume $19.1M 2.