that sweet sweet nectar of bipartisanship...

Because he is Republican Lite

He can, but by attempting a bi-partisan effort that was rejected by the GOP, he's allowed Republicans to paint themselves into a corner very publicly. They had their chance to do the right thing and didn't, and America notices.

The flip side is you don't want POTUS have the authority to go after his political opponents once attaining power.

This speaks volumes

Or a special prosecutor.

We need healthcare, a living wage and debt relief. Why waste more time on issues that have no impact on people’s lives whatsoever?

Of only there was a federal bureau which was tasked with doing investigations

It matters because of what authority/powers it would have