Tzipi Livni if they won enough votes, though Livni also stated she would step back if her participation presented a hurdle to coalition building. Widely seen as being a "game-changer" in what was initially thought would be an effectively uncontested election resulting in Netanyahu's reelection, the partnership between Livni and Herzog created significant momentum and galvanized Israel's center-left voters, who saw the partnership as having a realistic chance to form a government, something which had been absent in the previous elections. Indeed, many opinion polls during the campaign showed Likud and the Zionist Union in dead heat, and the few weeks leading
Tzipi Livni Livni and Shaul Mofaz emerged as the main rivals for the leadership. Livni won the Kadima leadership election by a margin of just 431 votes (1%). Palestinian peace negotiators were reportedly pleased with the result. As the new leader of the ruling party, Livni became prime-minister designate. Upon declaring victory, she stated "the national responsibility (bestowed) by the public brings me to approach this job with great reverence." On 21 September 2008, Olmert formally resigned in a letter submitted to president Shimon Peres, and the following day Peres formally asked Livni to form a new government. Livni faced tough negotiations