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Female and male Marine recruits listen to instructions as they prepare for a swimming test during boot camp February 25, 2013 at MCRD Parris Island, South Carolina. - 

On today's show, we'll talk about the end of the ban on US crude oil exports; the income effects of fully integrating women in the military; and a look at a high school program that teaches students how to repair broken musical instruments. 

Follow David Brancaccio at @DavidBrancaccio