With the recent addition of Karachi, Pakistan, Houston now is a sister to 18 other cities around the world. Hair Balls is on the case - we studied all of them so you wouldn't have to.
In the interest of brevity, though, we are parceling out our findings over the next couple of days. Here are the first nine:Sister: Grampian Region, ScotlandHow we are sisterly: The oil capital of the UK. Plenty of golf courses.How we are not: It's a region, not a city, and you can play golf on all those courses
