Heat Wave Death Toll Hits 20 as Extreme Temps Continue to Sweep USHeat Wave Death Toll Hits 20 as Extreme Temps Continue to Sweep USHeat Wave Death Toll Hits 20 as Extreme Temps Continue to Sweep US 

USA TODAY Network / ReutersA heat wave sweeping across much of the eastern and central U.S. has killed at least 20 people in the last week, as more dangerously hot conditions are expected to soon hit the West. Record-high temperatures in dozens of East Coast communities canceled festivities and sent hundreds to emergency rooms over the Fourth of July weekend. New Jersey reported 19 heat-related deaths since July 2…