Hundreds line up to donate, but gay men -- the massacre's primary victims -- still mostly aren't allowed to give blood under FDA rules
From: http://redirect.viglink.com?u=http%3A%2F%2Fwww.cbsnews.com%2Fnews%2Furgent-need-for-blood-donors-after-deadly-orlando-mass-shooting%2F&key=ddaed8f51db7bb1330a6f6de768a69b8
