 The late Toby Keith, who was a part of 18 USO tours that visited countries all over the world to give our American soldiers something to cheer about. The USO estimates he performed for more than a quarter million military personnel. Many of those tours were in active war zones. And in the midst of all that tension, soldiers got a slice of home from Toby Keith. America's birthday is Thursday, and we're here to celebrate with our feature of country stars and stripes.