The original content of Democracy Now! Headlines appears under the Creative Commons BY-NC-ND 3.0 License (United States). For more, including their other shows and media, visit www.democracynow.org. July 19, 2011 Authorities Warn U.S. Heat Wave Could Prove Deadly --------------------------------------------------- Authorities are warning the heat wave currently gripping states in the Midwest could prove deadly. The heat index in parts of Minnesota reached 123 degrees Fahrenheit on Monday. The National Weather Service has called the rising temperatures and humidity in the Midwest, “the most significant heat-wave the region has experienced in at least the last five years." So far this month, more than 1,000 high-temperature records have been broken across the country. .