Why Oprah Quits?

Why does Oprah quit? She said in her Friday's show that she will end that very show in September 2011. Some sources said that the reason behind the announcement is that because she'd planned to move from the present ABC to her own OWN, Oprah Winfrey Networks, a cable networks she shared with Discovery Communications Inc.

To me, that seems unlikely. Oprah Winfrey by any means is a smart lady. To quit the show just to start a new one with different network albeit her own, as lucrative as it may be, is not a smart move I'd expect from a person of her caliber. Especially when:
a) she doesn't need more money (she is reported to worth more than $2.3 Billion and is among the 400 Richest Americans by Forbes Magazine) and
b) that will be a static move in her career (a talk-show host is a talk-show host whatever the network is), especially for the one who've spent the last 25 years in that job. (And by any means, the tears she shed when she said she's quitting wouldn't mean anything if she's gonna host a talk-show again, would they?)
In other words, her motive, whatever that maybe, don't fit in the classical reasons why people quit their job (i.e  better salary or different positions that both pays better and more prestigious). 

So, I guess the reason why Oprah call it quits is that because she has a bigger aim. For a person of her caliber (both in wealth and influence) there are only two options left: become a full-time philanthropist or, most likely, politician.

But she is already a philanthropist isn't she? There are 865,000 search results for the keywords Oprah's Foundation in Google. The differences between a philanthropist she is now and the one she would be won't be much (the number of travels maybe? Yeah, like she doesn't travel often enough already).

So, that leave us to the last guess: politician.

And why shouldn't she? She has both the money and influence (she's among the 50 Most Powerful Women) to run a political campaign. Her political friends include, hm well, the top brasses of Democrat Party including Mr. Obama himself; the current President Of United States she helped rally a campaign for. Hillary Clinton once offered her to be her second in command back in 2006. She has hundreds of celebrity friends who will help her in the campaign and above all, she has full supports of millions who watch her show these last 25 years. If she quits in September 2011, she will have full 14 months to rally a political campaign before the United States Presidential, Senates and House Of Representatives elections scheduled to take place in Nov 6, 2012.

My words: Go for it, Oprah!