Watch this CNN video that illustrates or expands upon the chapter topic. Then, answer the Critical Thinking Questions and email your answers to yourself and your instructor.         Helping the Homeless                 Click the button below to view the video.                 Critical Thinking Questions Why do you think that the U.S. has so many homeless people? Why has it become a much larger problem in the past few decades? Sociologists have studied social mobility (both upward and downward) for many years. According to this research, children from what social class background are most likely to become homeless? Which are the least likely? Why? Student Name:* Student Email:*   Professor Name:*   Professor Email:*         * required