Kevin Murray, a state senator from Los Angeles, argues that charging money for what are currently free roads would be unfair on the poor.

ECONOMIST: Road-pricing in California

Geithner et al. was brought by attorneys David Yerushalmi and Robert Muise, representing the plaintiff, Kevin Murray, a taxpayer and former combat Marine who served in Iraq.

CENTERFORSECURITYPOLICY: Center For Security Policy

Kevin Murray, a prosthetist at the UK's National Center for Prosthetics and Orthotics, says advances in materials and technology have been dramatic since he began his career.

CNN: Powering prosthetics with thoughts alone