Senate Minority Leader Chuck Schumer (D-N.Y.) is not only losing the confidence of the Democratic base, but of his colleagues. And he may have to defend his leadership in the near future, according to a recent analysis.

The Democratic Senate leader's says he will not step down after helping pass a GOP spending bill to avoid a government shutdown.

The senator faced pressure from some in his party after he voted to move forward with a Republican spending bill that avoided a government shutdown.