Rat Buster  Teenager Christian Alf was just trying to help the
elderly. The Pest Control Commision wanted him grounded.  The
heck with paper routes. Seventeen-year-old Christian Alf is
earning pocket money by fending off the nasty roof rats that
have invaded his hometown. The Tempe teen not only launched his
own roof rat-proofing business this past winter, but has also
prevailed over the wicked bureaucrats who tried to shut him down
for busting rats without a license. Roof rats and snaky civil
servants, beware: Christian Alf is gunning for you.  New
Times:What's a teenager doing in the roof rat business?
Shouldn't you be out playing kickball or something?  Christian
Alf: Well, last January I was over at my grandparents' house,
and we were talking about the problem because the roof rats had
just arrived in Tempe. They came over from the Arcadia
neighborhood.  NT:How'd they get here? Hail a cab?  Alf: I don't
really know. Anyway, we were discussing the problem, and I'd
received a packet from the guy who's sort