LA Times: Cooler temperatures are approaching, but the year's worst heat wave continues to punish areas from South Dakota to coastal Massachusetts on Thursday, prolonging withering conditions that have already claimed one man's life in Kentucky.
Officials warn that persistent overnight heat, high humidity and intense sunshine threaten areas of the country, especially the Midwest, that aren't accustomed to near-tropical conditions. Excessive heat still blankets parts of 21 states and the District of Columbia,...