What was the slide show if not an inducement to campaign?
If it was an inducement to campaign then it probably was a policial meeting and according to Hatch Act:
These federal employees may not-
* be candidates for public office in partisan elections
* campaign for or against a candidate or slate of candidates in partisan elections
* make campaign speeches
* collect contributions or sell tickets to political fund raising functions
* distribute campaign material in partisan elections
* organize or manage political rallies or meetings
...
It seems to me violation of the spirit of the Hatch Act if not the letter .
