As long as the letters of marque and reprisal are conditioned on not interfering with ongoing US operations, this is a fine idea.
Yes, now we're getting somewhere.
This is the sort procedure the "crown"{Bush ancestors, look it up} used to deal with pirates back in the day.
Well, as we all know, any Congressman can introduce anything he wants. Whether it gets passed by the House, the Senate, and overcomes a presidential veto is another matter.
What is the point of such grand-standing?