A presentation and discussion, "Countdown to the War in Iran: What Does History Teach Us" will take place Friday March 23 from 6:30 o 8:30 pm at the Fireplace Room of the Prendergast Library, 509 Cherry St., Jamestown.   James E. Miller, an adjunct history professor at JCC will discuss Iran's history, current political and economic status, nuclear program; the Iran-Iraq War; the arms for cash deal; and the consequences of a possible American war with Iran.  All are invited to attend.