There's a reason teenagers want to be individuals, yet end up sounding like carbon copies of their peers: they actually want to be like everyone else. And while most grown-ups probably think they've grown out of such mindless conformity, they haven't. Adults discussing hot-button issues sound like clones of each other for the same reason: they're not actually thinking for themselves. College and university professors, the mind vice of social media like Twitter, mainstream political pundits,...