Dianne Feinstein actually said...

I have supported the efforts to work with hospitals and medical facilities and industrial users to replace existing devices.

I remember the pictures in the San Francisco Chronicle and other papers when we dropped the bombs on Hiroshima and Nagasaki.

The purpose of these weapons is to provide deterrence so that any other nation or sub state actor who has a nuclear weapon will be persuaded...

The so-called improvements to this weapon seem to be designed to make it more usable to help us fight and win a limited nuclear war.