Forgotten for much of the summer, horror fans flocked to Possession and gave it the second-best Labor Day opening ever at $21.3 million, says The Hollywood Reporter. The Prohibition-era shoot-em-up Lawless took second with $13 million. The anti-Obama doc 2016: Obama's America came in ninth ($7.3 million), while indie kid flick The Oogieloves in the Big Balloon Adventure crashed at $601,545, and the phone sex laffer For a Good Time Call bowed on 23 screens at $186,077. (More box office stories.)