Home › Shows › Show Jul 31, 2014 Close calls: the 2012 coronal mass ejection, sliding ice sheets, the Natomas flood risk, "tax inversions", the militarization of our police, Jay Barbree in Astronomy Magazine and Planetary Radio (after us), Billy Joel honored Air Date: July 31, 2014 Audio Files: 1 available Listen to this Show Audio File 1 Your browser does not support the audio element. Download MP3 Show Notes