In an age when we needed a visionary, he is merely a careerist.
In his younger years, he was a part of the No Wave scene, playing with the visionary James Chance and the Contortions.
Everyone knows Obama is intelligent, visionary and articulate.
1. One who hacks vision, in the sense of an Artificial Intelligence researcher working on the problem of getting computers to "see" things using TV cameras. (There isn't any problem in sending information from a TV camera to a computer. The problem is, how can the computer be programmed to make use of the camera information? See SMOP, AI-complete.)
2. [IBM] One who reads the outside literature. At IBM, apparently, such a penchant is viewed with awe and wonder.