Washington, DC (LifeNews.com) -- The National Gallery of Art is coming under fire from a pro-life advocate who says officials there prevented her from entering the facility because she had a pro-life lapel pin. Meghan Duke writes about her experience in a blog post at the First Things web site."While visiting the National Gallery of Art this past Saturday, I ran into a pair of errant security guards who have taken to interpreting the Constitution in their spare time," she writes.Duke planned to stop in to see some of the famous works of art after spending time at the March...