On today's Your Call, in light of NASA’s historic landing of the $2.5 billion “Curiosity” rover on Mars, we’ll talk about space. A planning group is taking a look at how the agency will continue exploring Mars beyond the missions operating today. Who decides where we explore? What space missions are we NOT hearing about? Join us at 10am PST or post a comment here. What role do you think NASA should play in the future? It’s Your Call with Holly Kernan, and you.