A while back we wrote about the Houston Airport System exporting its vast knowledge of running airports to countries all over the place. HAS wasn't too forthcoming about the financial aspects of it all.A couple of months later, Mayor Bill White suddenly forced out the HAS director -- at least partly because of the foreign-country stuff -- the Chronicle tried to get answers about finances and was stonewalled too.The reporters at the Texas Watchdog website have jumped into the fray, filing Open Re
