Shaul Mofaz moved from the position of Defense Minister and received the Transport ministry in the new Cabinet installed on 4 May 2006. In 2008, with Israel's then prime minister, Ehud Olmert, being pressured to resign due to corruption charges, Mofaz announced that he would run for the leadership of the Kadima party. On 5 August 2008, Mofaz officially entered the race to be leader of Kadima. That same day he received a blessing by Shas spiritual leader Rabbi Ovadia Yosef. On 17 September 2008, he lost the Kadima party election, losing to Tzipi Livni for the spot of the Prime Minister
Tzipi Livni up to the elections suggested Livni and Herzog had overtaken Netanyahu, and would emerge with a plurality of voters. Initial exit polls indicated that both parties had won 27 seats, but the final count showed the Zionist Union garnering only 24 mandates to the Likud's 30. Following the elections, Livni and the Zionist Union went into opposition. Livni currently serves as a member of the Knesset Foreign Affairs and Defense Committee, the . In August 2015, in response to the submission of a motion to raise the Palestinian flag at the UN headquarters, Livni initiated the creation of the Foreign