CNN correspondent Jim Acosta was positively giddy while covering President Obama's inauguration parade on Monday afternoon, and didn't hold back his feelings on-air. "You know, I feel like I should pinch myself right now, Wolf. I can't believe I have this vantage point of history in the making," Acosta gushed. Video below the break. Acosta later added that "It's good to be the President. It's almost like being a rock star on every street corner of Washington on this day." Unfortunately, Acosta has not been alone at CNN in exhibiting extreme enthusiasm for President Obama. During the inauguration parade, Wolf...