An exciting campaign video roused the Tampa crowd for the imminent vision of you-know-who Friday night. "Please welcome," said the arena announcer, "the president of the United States!" Pregnant pause to let the cheers build. Then, out from behind the blue curtain sauntered the perpetually campaigning president, known today as Barack Obama. Big smile. Waving to the crowd. Obama began his familiar jaunty jog up the stage steps, when, suddenly...Oops! Bam! He disappeared. Democrat down. (See video above) Obama stopped the very public fall -- Forward -- with his hands, inches from a painful face-plant. Then, he bounced back up,...