A routine fact-check has become an excursion into the federal contracting wilderness as I try to wrangle the exact number of governmentwide acquisition contracts, or GWACs, that agencies hold for information technology products and services. The proliferation of multiple award contracts has been well documented and federal procurement officials have yet to come up with a definite count of how many exist among the various agencies. But GWACs are different because the contracting agency must first be approved to hold a GWAC by the Office of Management and Budget. That should make them easier to count, right? So far, I’ve come across…