What happened to the movie HOW TO KIDNAP THE PRESIDENT it was on t.v. the week that president regan was shot the first part was shown but no second part.I remember them saying do to the recent events it would not be shown.this movie does not show up anywhere.

Are you speaking of "The Kidnapping of the President"?
If so, check out this link for more info:
The Kidnapping of the President (1980)