Will someone please marry Maureen? Using her bully pulpit at The Times, she has managed to spin her inability to find a suitable mate into a national crisis. LEE ROSENBAUM Fort Lee, N.J. Regarding Maureen Dowd: Perhaps a hint of a smile? A bit of humor? Life does not have to be unpleasant; it can be enjoyed. JACK HAWKINS Lafayette, Ind. What's a modern girl to do? Well, maybe she's to stop calling herself a girl when she's on the backside of 50. And perhaps she shouldn't call herself modern, either, when the entire article is your basic baby-boomer whine...