kAcknor Sez:
The short answer? Not many. It is MS-NBC after all. You probably more than doubled the number of people who know about it by asking the question here.
It's time for Jackson to go into retirement for a decade or two. Afterwards, he may have a chance at a substitute run for Congress at the last minute. ;)
"yIQeqQo' neH, DoS yIqIp!" (Don't just aim, hit the target!)