Restaurants calm customers, say their romaine is safe

ANN ARBOR, Mich. — Restaurants' advice to their customers? Romaine calm.The government is still investigating how romaine lettuce from Yuma, Arizona, apparently became contaminated with E. coli bacteria. As of this week, at least 84 people in 19 states have gotten sick, according to the U.S. Centers for Disease Control and Prevention.Growers in Yuma typically plant romaine lettuce between September and January. During the peak of the harvest season, which runs from mid-November until the b