Harry and Meghan stepping back from royal family was "inevitable"

There's growing intrigue surrounding the British royal family after an unprecedented announcement from Prince Harry and his wife, Meghan Markle. The couple said they're stepping down as senior members of the family and plan to raise their son in both the U.K. and North America. Tina Brown, who has covered the royal family and wrote "The Diana Chronicles," joins "CBS This Morning" to discuss the couple's decision.