By Sarah K. Burris As a television host, Dr. Oz spent most of his time saying scripted words that had been written for him. Running for office, however, means that Oz must come up with the perfect thing to say by himself and in an instant. An example of this happened Monday night, as Oz made his closing message to Pennsylvania voters ahead of the Tuesday primary. He told voters to think about him in bed with them. “When you go to bed at night, put your head on that soft pillow, you’ll know Oz will be doing exactly what you want him to do if you were there next to him,” he said. It prompted swi…