LONG WAR JOURNAL: Keeping track of US air strikes in Pakistan. There are limits on the robustness of the data, as LWJ explains at the site, since much of it can’t be corroborated by independent journalists, but Bill Roggio is a crucial source of information. (Actually, I haven’t put that strongly enough.  In this area, for those of us without inside government information, Bill Roggio is an indispensable source of information.)