Outgoing British Prime Minister Tony Blair marked his last day in office with a visit from action man-turned-California Governor Arnold Schwarzenegger on Tuesday. Blair is set to officially resign at lunchtime on Wednesday (27Jun07) in London's House of Commons. The Terminator star visit Blair at his 10 Downing Street residence on Tuesday, where the pair discussed climate change, before visiting an eco-friendly school. Schwarzenegger praised Blair for his "great leadership and great friendship". Chancellor Gordon Brown will replaced Blair as Prime Minister on Wednesday.