"Using social media to shame and bully isn't confined to tweens and teenagers-it's also happening in colleges, in the workplace, and in adult communities. Our society places a high value on free speech, leading many people to believe they should be able to say whatever they want to whomever they want. This is not true, but it can be unclear where the line is. And just because we "can" say things doesn't mean we should. It's not surprising that teenagers...