Because, cliche though it may be, we want have one person who can be a lightning rod for our hopes.
Because this man is not that man (more about this later).
Because it's one heck of a show-must-go-on moment (talking of which, read this.).
Because everybody loves a hero.
Oh, just because I intend to watch as much of it as I can so I can feel all connected to history and all that. So that, when people ask me what I was doing when Obama became President, I can say all misty-eyed, that I was watching teevee. And it's more exciting than the 9pm movie anyway.
*Like that moment in that alien attack film, no? What was it called? Independence Day?