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Beating back the Twitter bullies

Today on Power Lunch we did a segment on baseball legend Curt Schilling coming to the defense of his daughter who was trolled on Twitter. Catherine Rampell, opinion columnist at The Washington Post, joined us and said it shouldn't be the job of the target or the target's parent to call out harassers; the rest of the community should step in too in what she called "community policing."

Straight after that segment, someone tweeted me this: "Go back to England, get off American TV your stupid accent is so (bleeping) annoying!"

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It's conceivable this tweeter might have been doing it tongue-in-cheek in order to get a response. I had mentioned on air that I sometimes retweet the haters in order to shame them, and it's very effective. So effective in fact, that after I retweeted this, the "community" immediately rallied. One hour later, over 90 people had come to my defense. To be honest, I found it more amusing than offensive, but I can't tell you how much it meant to me that so many people…my community…. had stood up against a cyber-bully. Thank you.

And this is exactly what Catherine was talking about. Whether it's in the schoolyard, the office or on social media, if we all step up to combat the bully, she says it creates a better culture of civility and it's more effective than assuming that every dad must personally be monitoring his daughter's email and Twitter feeds.

So far, it's definitely working for me.

Commentary by Mandy Drury, co-host of CNBC's "Power Lunch." Follow her on Twitter @MandyCNBC.