http://profootballtalk.nbcsports.com...to-be-tweaked/

Excerpt: "The Texans-Lions game on Thanksgiving had everything. Included a horrible call that led to a long touchdown run that wasn’t reviewed via replay because Detroit coach Jim Schwartz threw the red challenge flag when he shouldn’t have thrown it.

The blunder arose from a rule that penalizes a coach who has the nerve to ask for a replay review when he’s already entitled to get one. And the penalty for improper use of the red flag is more than the yardage marked off after a yellow one is thrown.

Under current rules, if a coach asks for a review in a situation where review is automatic (i.e., scoring plays, turnovers, final two minutes of either half, overtime), the review doesn’t happen.
The Competition Committee plans to recommend that the owners change that rule when they meet next month in Arizona." Read more...