Jon Schanzer recently had another article published in National Review Online called: Terhan's Hidden Hand. Here's a bit:
Iran may be spending up to $70 million per month in Iraq. This pales in comparison to the billions spent by the U.S. Still, it is enough to undermine U.S. efforts. As such, Washington needs not only to better patrol the Iranian border, but also to confront clandestine Iranian activity within Iraq itself. Failure to do so will only encourage Iran to redouble its efforts to destabilize Iraq.Great read check it out.