As well as having no 'marketable' skill other than being a hack politician .....
Well, when you are Nadler’s age, you don’t need any marketable skills. You can just retire and relax.
Arlen Specter was the poster child for this tendency — he had battled cancer for several years but was still trying to get re-elected at age 80. He even disgraced himself by switching parties to do it. Despite that, he was still unsuccessful.
As well as having no ‘marketable’ skill other than being a hack politician .....