private static string ElementCleaner(XElement el)
{
    string s = "";
    switch (el.Name.LocalName)
    {
        case "StoryText":
            s = "<p>" + el.Value + "</p>";
            break;
        case "StorySubHeading":
            s = "<h2>" + el.Value + "</h2>";
            break;
    }
    return s;
}