TODAY 8a: Meet three men who lost their fathers on 9/11 and became first responders. Tips for kids going back to school.

<p>Savannah Guthrie visits the 9/11 Memorial & Museum with three men who lost their fathers and became first responders. The importance of recess — why experts say it is so important to spend time outdoors. Plus, how to make chicken wings to kick off the NFL season!</p>