Abilene’s favorite historian, Jay Moore, will pay tribute to America’s 250th birthday with a special presentation on Aug. 18. “We Hold These Truths” will be presented at 6 and 7:30 p.m. Tuesday, Aug. 18, in Owen Hall at Abilene Heritage Square. Admission is free. No food or drinks will be allowed. Doors will open at 5:30 p.m. The title is