Thurs 7/16//15 Hr 1, JBS: Mary Kissel, Wall Street Journal editorial board & host of WSJLive’s Opinion Journal. Edward W Hayes, Esq. Lara M Brown, George Washington University. David Grinspoon, Planetary Science Institute.

Summary: Thurs 7/16//15 Hr 1, JBS: Mary Kissel, Wall Street Journal editorial board & host of WSJLive’s Opinion Journal. Edward W Hayes, Esq. Lara M Brown, George Washington University. David Grinspoon, Planetary Science Institute.