Posted on April 10, 2012 by Anthony Watts An embarrasing image for NASA: James Hansen, arrested in front of the White House in Keystone pipeline protest. Image: via Wonk RoomLooks like another GISS miss, more than a few people are getting fed up with Jim Hansen and Gavin Schmidt and their shenanigans. Some prominent NASA voices speak out.Former NASA scientists, astronauts admonish agency on climate change positionFOR IMMEDIATE RELEASEContact: Blanquita Cullum 703-307-9510 bqview at mac.comJoint letter to NASA Administrator blasts agency’s policy of ignoring empirical evidence HOUSTON, TX – April 10, 2012.49 former NASA scientists and astronauts sent a letter...