CNSNews.com) – At a ceremony at the White House on Tuesday, First Lady Michelle Obama announced the launch of the ‘Let’s Move’ campaign to end childhood obesity in the United States, an epidemic she said is costly and a threat to national security. “A recent study put the health care cost of obesity-related diseases at $147 billion a year,” Mrs. Obama said. “This epidemic also impacts the nation’s security, as obesity is now one of the most common disqualifiers for military service.”