Nixon justified his actions by blaming the impasse in negotiations on the North Vietnamese. Later, it was stated that Ferguson left WREC after an impasse in contract negotiations. Negotiations between Turkey and Britain seemed to reach an "impasse". With negotiations between Cochise and Bascom at an impasse, Bascom sent for reinforcements. Sharett's efforts to unblock the diplomatic impasse had failed. He later hinted about tasking Education Secretary Armin Luistro to resolve the impasse. Leung Chung-yan reportedly telephoned her father to seek help in resolving the impasse. A budget impasse between Congress and the Clinton Administration eventually resulted in a government shutdown. As a result of the impasse with Cimino, the producers went to arbitration. He summoned Hun Sen, Ranariddh and Rainsy for discussions aimed at ending the political impasse. The US rejected the demands, and there was an impasse. He was one of the few Republicans who voted to end the Illinois Budget Impasse. The presidential election of December 2007 ended in an impasse. The impasse was overcome through external forces. However, the Tunku rejected this, leading to an impasse.