Now you see her, now you don’t. That smiling face on the homepage of the Healthcare.gov website was there over the weekend, but has now dissapeared — replaced by four colorful, circular icons. So, where did she go? Twitter’s got a few ideas. One user joked that she had become the first victim of the mythical Obamacare death panels. While another thought she simply might have known too much. In actuality though, it’s nothing quite that nefarious. The picture of the smiling young brunette, which was reportedly picked from a stock photo library, was removed from the site after multiple...