Commentary: Philadelphia, a vital centerpiece of a region that has spread in every direction

The celebration of America’s 250th birthday is far from over, but despite the weather's interruption Saturday night, it has been a great success for Philadelphia and the entire region. KYW Special Contributor Larry Kane has a unique perspective, looking back at his involvement in the Bicentennial 50 years ago, and using this year’s celebration as a marker of how far our region has come. (photo credit: Lisa Lake/Getty Images)