A U.S Army Colonel issues a directive
A U.S. ARMY COLONEL ISSUED THE FOLLOWING
DIRECTIVE TO HIS EXECUTIVE OFFICERS:

"Tomorrow evening at approximately 2000 hours Halley's Comet
will be visible in this area, an event which occurs only once every
75 years. Have the men fall out in the battalion area in fatigues,
and I will explain this rare phenomenon to them. In case of rain,
we will not be able to see anything, so assemble the men in the
theater and I will show them films of it."

EXECUTIVE OFFICER TO COMPANY COMMANDER:

"By order of the Colonel, tomorrow at 2000 hours, Halley's comet
will appear above the battalion area. If it rains, fall the men out in
fatigues, then march to the theater where this rare phenomenon
will take place, something which occurs only once every 75 years."

COMPANY COMMANDER TO LIEUTENANT:

"By order of the Colonel in fatigues at 2000 hours tomorrow evening,
the phenomenal Halley's Comet will appear in the theater. In case
of rain, in the battalion area, the Colonel will give another order,
something which occurs once every 75 years."

LIEUTENANT TO SERGEANT:

"Tomorrow at 2000 hours, the Colonel will appear in the theater with
Halley's Comet, something which happens every 75 years if it rains,
the Colonel will order the comet into the battalion area."

SERGEANT TO SQUAD:

"When it rains tomorrow at 2000 hours, the phenomenal 75 year old
General Halley, accompanied by the Colonel, will drive his comet
through the battalion area theater in fatigues."

Bad computer viruses
Economic computer viruses

INTEREST GROUP ECONOMIST VIRUS - Divides your hard disk into hundreds of little units, each of which does practically nothing, but all of which claim to be the most important part of the computer.

ECONOMETRICIAN VIRUS - Sixty percent of the PCs infected will lose 38 percent of their data 14 percent of the time (plus or minus a 3.5 percent margin of

POLITICAL THINK TANK ECONOMIST VIRUS - Doesn't do anything, but you can't get rid of it until next election.

GOVERNMENT ECONOMIST VIRUS - nothing works on your system, but all your diagnostic software says everything is just fine.

MARXIAN ECONOMIST VIRUS - Helps your computer shut down whenever it wants to.

SOVIET ECONOMIST VIRUS - Crashes your computer, but denies it ever happened.

MAINSTREAM ECONOMIST VIRUS - It claims it feels threatened by the other files on your PC and erases then in "self-defense."

CENTRAL BANK ECONOMIST VIRUS - Makes sure that it's bigger than any other file.

MULTINATIONAL CORPORATION ECONOMIST VIRUS - Deletes all monetary files, but keeps smiling and sending messages about how the economy is going to get better.

SUPPLY SIDE ECONOMIST VIRUS - Puts your computer to sleep for four years. When your computer wakes up, you're trillion more dollars in debt.

ENVIRONMENTAL ECONOMIST VIRUS - Before allowing you to delete any file, it first asks you if you've considered the alternatives