By now you’ve heard the totally unsubstantiated rumor that Michelle Obama might be pregnant. The chances of it being true are slim. After all, having just turned 45 years old, Michelle is of the age where it’s very difficult to conceive naturally, and something tells me that she and Barack (Is it disrespectful to be on a—one-sided—first name basis with the President and the First Lady?) aren’t making top secret trips to the fertility clinic. So, knowing this rumor is most likely going to end up being just that—a rumor—we can’t help but feel a little giddy at the thought of an Obama baby. Five reasons why, after the jump…