SACRAMENTO, United States (AFP) - A hobbling Arnold Schwarzenegger was sworn in as California governor here, nailing his colors firmly to the center-ground and calling for a new era of "post-partisan" US politics. Schwarzenegger, who broke his leg in a Christmas skiing accident, appeared on crutches for a glitzy inauguration ceremony at the Memorial Auditorium in Sacramento, California's administrative capital. "I will look to the future, I will look to the center. I will look to the dreams of the people," Schwarzenegger said in a speech that represented a thinly veiled critique of President George W. Bush's administration. The action-hero-turned-Republican-governor...