Eddie Ortiz unloads palettes of groceries outside a grocery store in New York, Thursday, July 21, 2011. Because the delivery was four hours late, Ortiz was working through the hottest part of the day. Hot weather that has plagued the Plains for days spread eastward Thursday, blanketing several more states under a sizzling sun and excessive heat warnings that made people sick, shut down summer schools and spurred cities to offer cooling centers and free swimming. (AP Photo/Seth Wenig)