. >> hoover constitution senior fellow abdullah omar naseef -- abraham sofaer talked to booktv about "taking on iran." he argues that the u.s. should stand up to iran by directly confronting the country's revolutionary guard corp. and the surrogates. which he says have attacked the u.s. and israel with impunity for the past thirty years. this is about thirty minutes. >> host: "taking on iran" is the name of the book. the author is abraham sofaer who is a senior fellow at the hoover institution. doctor sofaer, is our current strategy of sanctions working against iran? >> guest: we are certainly putting pressure on them economically, but it's hurting the people of iran more than it's hurting the iranian revolutionary guard core. they are really our enemy. the answer is no. >> host: in your book, you spend quite a bit of time talk about the irgc, the revolutionary guard corp. who are they? >> they were creating under the new iranian constitution in 1979 with the assignment of defending the islamic character of the iranian revolution. they have an enormous amount of assets and responsibi