, APWU v. Potter, 348 F.3d 619, 627 (2d Cir.2003) (noting a court may “devis[e] the procedures [to] ferret out the facts pertinent to jurisdiction”); Marine Midland Bank, N.A. v. Miller, 664 F.2d 899, 904 (2d Cir.1981) (noting a court has considerable procedural leeway in de- ciding whether discovery would assist res-