Warning: This video, posted on YouTube, contains graphic language. The police actions in question happen from the 1 minute mark through to 2:05. Eric Hightower was lying on the ground, coughing and choking because a St. Paul police officer had just squirted him with a chemical spray, when he said the officer suddenly kicked him. "It was like he was kicking a football or something," the 30-year-old man said Wednesday, Aug. 29, the day after his arrest, after a video of the officer's use of force was posted on YouTube. "He kicked me so hard, he knocked the wind completely...