Can he? Yes.
May he? Seems like they let him get away with it, so again yes.
For those who were not aware, some bills are introduced so that the legislator can tell their constituent(s) that they kept their promise to introduce the bill. Without formally asking for it to be withdrawn they can indicate they do not want it to proceed.
The Speaker or the Minority Whip can advance their party's agenda by not assigning certain bills to a committee. The sponsor has a small number of ways of asking for the bill to be assigned, but runs the risk of serious and long-term reprisal if they push the matter.
Pocketing a bill avoids the public declaration of being tabled till next year, passed by indefinately, or worst of all being voted down.
We had aked if it really was necessary to post this and I guess the answer is "Yes, it is." So here t is -
http://www.youtube.com/watch?v=Otbml6WIQPo
stay safe.