IT RULES! What made me happy is teachers will probably show it. As someone who studied journalism I could definitely see it as teaching material and I got all nerdy and excited about it. I love it lol
Poor Alanis. I'm sure she thought it was You Can't Do That On Television that she was going to have to live down...
Actually in that sentence 'who' is the proper word, it's a conjunction there. One uses 'whom' when it is the object of a preposition.
I personally think you can start a sentence with any word, so long as it sounds OK. Or maybe the rules of writing outweigh the way it sounds? And I just like to please myself most of the time. With my writing, that is!