Moderate Democrats watched cautiously as Bernie Sanders soared to a landslide victory in Nevada.<br />The win wasn't the surprise, the walloping Sanders gave his opponents was.<br />Sanders impressed fans and critics alike with his ability to dominate among Latino voters.<br />The momentum he gained from the win as he moves into South Carolina and Super Tuesday is unmatched.<br />A renewed sense of urgency washed over centrist Democrats, who fear it’s becoming too late to stop Sanders.