first lady says she still plans to stay on her mission and push for those causes that she cares most about. one of them has been working with wounded iraq and afghanistan war vets. and today, she was in richmond, virginia, to unveil a new program, that trains doctors and medical students to better treat and diagnosis those veterans. diane? >> cecilia, thank you. and also, another cause of hers, of course, obesity and reducing it in children. and there are encouraging numbers, tonight, about the health of americans. the gallup organization reports that 26.1% of adults are obese. but that is down 0.5% in one year. that decline might seem small. but gallup says even a tiny reduction has the potential to save the economy a lot of money in health expenditures. and perhaps, related, life expectancy in america, a new high in 2010. now, on average, a man can expect to live 76.2 years. women, 81.1 years. and that's an increase of two