McCain spars with Chu on Yucca Mountain

Sen. John McCain (R-Ariz.) clashed with Energy Secretary Steven Chu on Thursday over whether to store nuclear waste at Yucca Mountain in Nevada.

President Obama and Chu believe that Yucca Mountain is not a viable option while McCain contends it is the only way to move forward in expanding nuclear power production.

During Thursday

"I think we can do better," Chu said.

"Where?