(VIDEO-AT-LINK)One U.S. lawmaker firmly believes the United States should keep its sons and daughters out of Iraq's increasingly tangled and bloody conflict. "I'm not willing to send my son into that mess," Sen. Rand Paul, R-Kentucky, told CNN chief political correspondent Candy Crowley on Sunday. Appearing on "State of the Union," Paul acknowledged that while the chaos in Iraq intensifies by the day, he believes advances by jihadist Sunni militants on Prime Minister Nuri al-Maliki's Shiite government forces do not pose an immediate threat to U.S. national security. Though he refused to rule out some kind of U.S. assistance, Paul...