Exhibit l.4

                                                           Bingham McCutchen LLP
                                                              150 Federal Street
                                                Boston, Massachusetts 02110-1726
                                                                    617.951-8000
                                                                    617.951-8736

                                    November 22, 2002

     As special Massachusetts counsel for Nuveen Insured Tax-Free Advantage
Municipal Fund (the "Registrant"), we consent to the incorporation by reference
of our opinion filed with pre-effective amendment No. 2 to the Registrant's
registration statement on Form N-2 on November 20, 2002.

     In giving this consent we do not admit that we are in the category of
persons whose consent is required under Section 7 of the Securities Act of 1933.

                                    Very truly yours,

                                    /s/ BINGHAM McCUTCHEN LLP