National Public Radio: Worldwide temperatures were once again above normal last month, tying the record for the hottest April set back in 2010. The National Oceanic and Atmospheric Administration on Tuesday the average global temperature for land and sea was 56.7 degrees Fahrenheit, which is 1.39 degrees warmer than the 20th century average. "The last below-average April was April 1976, and the last average or below-average temperature for any month was February 1985," according to NOAA. Much of last month's uptick...