Bootstrap Dropdown not working v3.07

drag and drop bootstrap - enable test clicks or use alt-click
the drop down does not expand

Action
<ul class="dropdown-menu" role="menu"> 
    <li>
        <a href="#">Action</a>
    </li>         

    <li>
        <a href="#">Another action</a>
    </li>         

    <li>
        <a href="#">Something else here</a>
    </li>
    <li class="divider"></li>         

    <li>
        <a href="#">Separated link</a>
    </li>
</ul>