Opponents of the Iran deal have been unable to produce a viable alternative. That is because there really are no alternatives left. Should the Iran deal collapse under the weight of spoilers like Schumer, Iran will get a nuclear weapon. And once Iran achieves and announces that capability to the world, no expert will be able to foresee the consequences.
Employers won't pay you more than they have to, so you need to think about all this as you decide what's important to your career and plan your negotiation efforts much more strategically. It is a critical skill to learn if you truly want to be treated fairly, given opportunities and paid commensurately.