When the Whitewater investigation started, Monica Lewinsky was an unknown college student and nobody had any clue
that an investigation into an Arkansas land deal would turn into an investigation about sex.
But he didn’t order Comey to shut down the investigation as a whole or do any of the
things (like following up on the request) that would constitute real obstruction.
Your closest colleague could be under investigation and you would not know.
But it’s likely that the Comey firing had little or nothing to do with the Flynn investigation.
The Clinton people thought the Whitewater investigation might last six months, but the inquiries lasted over seven years.