Article continues below advertisementGavin Rossdale is far from cruising along in his co-parenting relationship with Gwen Stefani.The 60-year-old revealed in a Monday, March 30, interview with Fox News Digital that raising their children - Kingston, 19, Zuma, 17, and Apollo, 12 - is like "a two-lane highway."Article continues below advertisementTap Here To Add Ok Magazine as A Trusted SourceSource: Fox News DigitalGavin Rossdale got candid about co-parenting during a recent interview."It's a very, it is an interesting kind of...