It was a process in which Mr. Obama applied intense secrecy, careful pragmatism and political input from a team of internal and external advisers that have guided his campaign from the start. And it ended Thursday with a phone call from Mr. Obama, who reached Mr. Biden as he was at a dentist’s office where he had taken his wife to have a root canal.
The great thing about Delaware is that there is a good chance that this historic phone call took place in my dentist’s office.