On Wed, 24 Oct 2007 15:30:55 GMT, Judah wrote in
:

The result will be that pilots will be so afraid to violate a TFR that they
will always call for briefings every time they get in the plane (even if
it's a return trip from a $200 hamburger and they already had weather from
an hour before),...

The way I read it, CFR Title 14, Part 91, § 91.103 requires exactly
that.