Aziz Huq is counsel in several cases concerning detention and national security policy, including Omar v. Geren and Munaf v. Geren, challenges to US citizen's detention in Iraq. He has advised and spoken before legislators on issues related to the Separation of Powers, excessive secrecy, and illegal detention. His book with Fritz Schwarz, Unchecked and Unbalanced: Presidential Power In A Time of Terror (New Press), was published in 2007, and will be reissued in paperback in spring 2008.