It’s not just bad vibes — America’s kids are not OK. As study after study shows worsening youth mental health, a popular theory has emerged: The rise of smartphones and the addictive nature of social media is making young people miserable. But can it really be that simple? This week, the hosts debate the myriad possible factors contributing to teenagers’ unhappiness, and discuss how parents, schools and the government can protect kids without doing further harm. Plus, a sui generis Lozada family vacation.