The clock is ticking, inching closer to midnight as bargaining continues in earnest to avert a work stoppage at Bridgestone – a strike union officials say could come as soon as next Sunday.The deadline to reach a new labor agreement between Bridgestone and six of its plants, one of which is the plant in Morrison, is July 27. Failure to bridge the gap between labor and management could lead to a strike that will include the Morrison plant’s 750 members.“It’s all been concessionary across the board,” said Van Tenpenny of the Local United Steel Workers 1155, noting the company wants the workforce to take concessions just as employees did in 2009. “Back then the economy was bad, but it’s recovering.