’80s action stars back on top in “Expendables 2”

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LOS ANGELES (Reuters) – The aging tough guys of "Expendables 2" strong-armed the box office competition with a chart-topping $28.8 million in U.S. and Canadian ticket sales over the weekend, according to studio estimates. Last week's domestic winner, "The Bourne Legacy" starring Jeremy Renner, slipped to the No. 2 spot with $17 million. In third place, newcomer 3D stop-motion movie "ParaNorman," earned $14 million. …