Good morning. The forecast in Baltimore calls for a very hot and humid day, with mostly sunny skies, and a high of 95. Air quality will be unhealthy for sensitive groups. Tonight will be mostly cloudy, with a low of 76. I'm Mary Regalado, and here are the top headlines from the Baltimore Sun for Tuesday, July 30th. Officials, residents, and political commentators jumped to the defense of U.S. Rep.