Scientist, Jet Propulsion Laboratory
Scientist at the Jet Propulsion Laboratory who is heading the Martian soil analysis team with the Phoenix lander mission
Clumpy Soil on Mars, What's a Lander to Do?
8 MIN, 24 SEC
Jun 10, 2008
What Now in Iraq and Syria, House GOP, Scott Walker
28 MIN, 49 SEC
Jun 20, 2014
Deadly Shooting, Obama Foreign Policy and Edward Snowden
28 MIN, 50 SEC
May 30, 2014
Eric Cantor Steps Down and Debating Iraq
Jun 13, 2014
Should California Implement a 'Restraining Order' for Firearms?
23 MIN, 14 SEC
May 29, 2014