The 4th of July is more than a holiday. It is a celebration of the United States as a nation – and one that is often celebrated with food. However, in times of deeper political and ideological differences it's arguably harder to celebrate what makes America such a special place. To mark the 4th of July, we spoke exclusively to former senator, cookbook author and TV personality Capri S. Cafaro about how food can bring people together in divided times, and got her top tips on how to throw a great party celebrating American cuisine.