I'm sure she'll be thinking about him constantly when he's in Iraq, but other mothers hold down jobs just fine when their sons and daughters are deployed.
I further note that no one told Nancy Pelosi to quit Congress in 2006 when her daughter was pregnant for the first time--they told her to run for Speaker.
Unrelated: I've been trying to wear lipstick, just to see what it's like, but my hair keeps getting caught in it. Then the lipstick goes from my hair to my shirt. Sigh.