What makes a hero? Join the CNN Heroes Facebook chat to find out

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(CNN)Have you ever wondered what it takes to be a hero? Join the CNN Heroes live Q&A happening right now on the CNN Heroes Facebook page.

For the past 10 years, CNN has been honoring people who make extraordinary contributions to their communities, and improve the lives of others. You can ask three real-life heroes how they are protecting vulnerable children across the world, and what you can do to help an issue you care about. They are:
    • Magnus MacFarlane-Barrow, a 2010 CNN Hero who has been delivering care packages to refugees since the 1990s. His charity, Mary's Meals, now feeds a million school children every day.
    Join the conversation now by leaving a comment below the post announcing the start of the chat.