Washington (CNN) – Sen. John McCain called for a more civilized political discourse on Monday after members of Congress who voted for health care reform reported incidents of harassment and threats of violence. "There is a lot of anger and passion out there," McCain said on CNN's "John King USA." "Let's change that into a spirited and healthy respectful campaign season between Republicans and Democrats, liberals and conservatives. Let's really go at it, but let's do it with respect, that's the key to it." McCain noted that he has held thousands of town hall meetings during his long political career....