Over the past 15 years, American workers have taken less and less vacation. In 2015, 55 percent of Americans surveyed didn't use all of their vacation time, leaving 658 million days unused and 222 million days lost. But workers who refuse to take their time off may be viewed as "work martyrs." Tony Schwartz, founder and CEO of The Energy Project, which advises companies on how to become more productive, joins "CBS This Morning" to discuss work-life balance.
Only on "CBS This Morning," we are revealing National Geographic's 2016 Travel Photographer of the Year. The grand prize winner, Anthony Lau of Hong Kong, shows a horseman guiding his herd in Mongolia during the winter. National Geographic received nearly 10,000 entries from professional and amateur photographers around the world. The contest is divided into three categories: People, Cities and Nature. Follow "CBS This Morning" on