 If you ask urban rodentologist Bobby Corrigan, we're to blame for the rats roaming the streets. It's not difficult to take out the trash and get a trash can and use it correctly. But even that or fixing holes in doors may not be enough. As I think is in our syllabus, it's a forever war. In northwest D.C., Scott Gelman, WTOP News. You can now get more than chips and a Dr. Pepper from a vending machine. Alabama, Oklahoma, and Texas now have ones that sell you ammo.