public function post_add()
 {
     $input = Input::get();
     $rules = array('position' => 'required', 'alias' => 'required|max:128');
     $validation = Validator::make($input, $rules);
     if ($validation->passes()) {
         $executive = Executive::create(Input::get());
         return Redirect::to('rms/executives')->with('success', 'Successfully Added New Executive Position');
     } else {
         return Redirect::to('rms/executives/add')->withErrors($validation)->withInput();
     }
 }