First postpartum depression drug. This is just an enormous step forward for womens health. Lo glor and from wildfires to wild flowers. This is the most picturesque thing that i have ever seen in my entire life. Glor good evening, im jeff glor. And this is our western edition. Were going to begin tonight with a huge chemical fire and the nations fourth largest city. The Chemical Plant in the houston area has been burning since sunday morning. Firefighters are trying to keep it from spreading, its thick, black smoke billows into the air hour after hour. They have no idea when it will end. Onighead of the e. P. A. Tells cbs news tonight the agency is closely watching the air quality. The Chemical Plant is closed and evacuated. Janet shamlian is there. Reporter the chemical fires flames are wider, and the tower s smoke is thicker, darkening the houston sky as far as 40 miles away. The plant owner intercontinental serminals company, says while it looks ominous, no one is in danger. How can