Pedzisa mutsara unotevera: Musi wa 20 Ndira 2007, zvichitevera kubviswa kwaMutungamiri Maaouya Ould Sid'Ahmed Taya mu
August 2005 mauto "coup d'état", Boulkheir akazivisa kukwikwidza kwake musarudzo yemutungamiri wenyika yaMarch 2007. Pakusarudzwa, kwakaitwa musi wa 11 Kurume, akaiswa pachinzvimbo chechina, achigamuchira 9.79% yemavhoti. Musi waKurume 19, akatsigira Sidi Ould Cheikh Abdallahi kutenderera kwechipiri, kunyangwe hazvo aive chikamu cheMubatanidzwa weMasimba eDemocratic Shanduko pamwe nemumwe mukwikwidzi wechipiri, Ahmed Ould Daddah. Abdallahi akakunda sarudzo, uye musi waApril 26, 2007, Boulkheir akasarudzwa seMutungamiri weNational Assembly, achigamuchira mavhoti 91 kubva kuvamiriri 93 varipo.