The Obama White House plans to add a policy adviser on native American tribal concerns within the next few weeks, First Lady Michelle Obama said today. The president "will soon appoint a policy adviser to his senior White House staff to work with tribes and across the government on these issues such as sovereignty, health care and education, all central to the well being of native American families and the prosperity of tribes,'' the first lady said in a visit to the Interior Department today. The first lady, embarked on a tour of all the federal agencies, was greeted with...