"Interior Secretary Ken Salazar will leave his post in March, an official at Interior and a senior administration official confirmed early Wednesday.
His exit means that Obama’s cabinet, which has already come under some fire for lacking diversity in its recent nominees, will lose a little bit more diversity — at least temporarily.
Another Latino cabinet member, Labor Secretary Hilda Solis, resigned last week, and two other top women — Secretary of State Hillary Clinton and Environmental Protection Agency head Lisa Jackson — are both on their way out."
Aaron Blake and Juliet Eilperin report for the Washington Post January 16, 2013.
Source: Wash Post, 01/16/2013