QCD at High Energy

Abstract

I review few recent QCD results in $e^{+}{e}^{-}$, $ep$ and $p\bar{p}$ collisions. Furthermore, I discuss recent studies in power suppressed effects, ongoing progress in next-to-next-to-leading QCD calculations, and some recent puzzling results in $b$ production.

Comments: Invited talk given at the XX International Symposium on Lepton and Photon Interactions at High Energies (Rome, Italy, 23-28 July 2001), 17 pages, 21 figures, ws-p10x7.cls