President Barack Obama aboard Air Force One (Pic by The White House, via Flickr) The National Organization for Women (NOW) , the largest organization of feminist activists in the U.S., has joined reproductive rights advocates in asking President Obama to not cave in to pressure from the Catholic leaders asking that he strike a recent decision that increases access to birth control for women. A couple months ago, a federal health agency announced it would require health insurance companies to cover contraception as preventive care — which would remove co-payments.