The Milch Cow that is the source of funding for all those oh so moral US Politicians

How long has Nancy Pelosi been kneeling to the 

US taxpayer 'milch cow'; 50 years?  long enough to buy a big mansion in San Fran' with a great big wall

to protect her.  Does she pray that she can continue supping from the 'milch cow' sine die

milch cow

/ˈmɪltʃkaʊ/

noun

1. a person or organization that is a source of easy profit.