As the three remaining Democratic candidates make final preparations for tonight's debate in Charleston, SC (9 PM ET on NBC), a new poll from that network, in conjunction with The Wall Street Journal shows Hillary Clinton with a commanding national lead over her closest challenger, Vermont Senator Bernie Sanders.

While recent polls indicate a very competitive start to the election calendar, the states after that are currently looking much more favorable for Clinton. This is borne out by the 25 point lead she has over Sanders in today's poll. In fact, Clinton's lead has grown 6% from the last NBC/WSJ poll:

As noted, the early states of Iowa and New Hampshire are much closer, with Sanders leading in most recent New Hampshire polling. The challenge for the Sanders campaign will be to close strongly and outperform expectations in those two early states, hoping that the added visibility this will bring will begin to move the needle in his direction. As of now --where polling is available -- Clinton has a large lead in Nevada and South Carolina, as well as the many states that will vote on Super Tuesday March 1st.