by someone who said , and senator mccain called her incompetent as well . besides rice , obama is said to be considering sen. john kerry ( d - mass . ) but to call her incompetent . led by south carolina rep. jeff duncan , 97 gop members wrote a letter to obama on monday announcing their opposition to rice ’s potential appointment to state . and lindsey graham ( r - s.c. ) have indicated they will seek to block any rice nomination , other senate republicans have not yet joined a filibuster pledge . text size - + reset mccain to rice : admit wrong “ though ambassador rice has been our representative to the u.n. , we believe her misleading statements over the days and weeks following the attack on our embassy in libya that led to the deaths of ambassador christopher stevens and three other americans caused irreparable damage to her credibility both at home and around the world , ” the letter reads , later adding : “ ambassador rice is widely viewed as having either willfully or incompetently misled the american public in the benghazi affair . both obama and senate intelligence committee chairwoman dianne feinstein have defended rice , arguing she was using the best intelligence supplied to her at the time . almost 100 house republicans have signed a letter opposing susan rice ’s possible nomination to be secretary of state . but he told us that sarah palin was a very competent person to be vice president of the united states .