Secretary of the Interior Ken Salazar today welcomed First Lady Michelle Obama to the Department of the Interior, hailing her as "a rock for the future of the nation." The third visit of the First Lady to a federal department since President Obama's inauguration featured a ceremony rooted in Interior's responsibilities to Native Americans--Indian drum rolls and presentation of a shawl marking her achievements. The event, held in the Yates Auditorium, was broadcast live to Interior offices around the nation.