Carlyle Group co-chair says he's not worried about possible China trade war
New government data shows the U.S. economy is gaining momentum, growing 2.9 percent in the fourth quarter of 2017. That caps the strongest nine-month stretch in more than 12 years. David Rubenstein, co-founder and co-executive chairman of the Carlyle Group, one of the world's largest private equity firms, joins "CBS This Morning" to discuss his take on Washington as a businessman and why he worries about income inequality.