Dubious “doctors” keep turning up at congressional town hall meetings to support a government health care takeover plan that sane medical professionals are revolting against in force. Blogger Patterico smoked out fake pediatrician Roxana Mayer at a Sheila Jackson-Lee town hall. Now, bloggers have raised questions about a left-wing activist who turned up at Barney Frank’s raucous town hall. She’s Dr. Sheila Leavitt, identified in press reports as a “physician from Newton (MA).” But the folks at AR15.com can’t find anyone licensed to practice medicine in Massachusetts under the name “Sheila Leavitt.” Kate at Small Dead Animals does the Googling...