Two tech billionaires are clashing over the future of artificial intelligence. Tesla co-founder Elon Musk warned this month that AI is a "fundamental risk to the existence of civilization." Facebook CEO Mark Zuckerberg criticized those comments during a Facebook Live session without using Musk's name. Robert Safian, editor of Fast Company magazine, joins "CBS This Morning" to discuss advantages and concerns of artificial intelligence.
Volcanic events may have helped trap water in rocks on the moon's dusty surface, according to scientists. Researchers at Brown University say there could be as much water in the moon's mantle as beneath the Earth's crust. The discovery has excited supporters of manned space exploration. Jan Crawford reports.