A Wisconsin school district is apologizing after middle school students were shown a video that featured Hollywood celebrities pledging to be a servant to President Obama.“I pledge to be a servant to our president,” Demi Moore said in the “I Pledge,” video shown Wednesday at Hudson Middle School. The video was part of a number of Peace One Day activities, an international event to build peace awareness. The students were also invited to make their own pledges after viewing the video. But there was a big problem – the video conveyed the idea that Americans should serve the presidency instead...