The most enduring was Harry Reid. In 1982, he won election to the House and to the Senate in 1986; he became majority leader in 2007. Keeping him in this position was of immense importance to the gaming industry and the Culinary Workers Union, which is majority Latino and has a crackerjack political organization.
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In the end, the Culinary Workers’ muscle and the remnants of the Reid machine carried Democrats mostly to victory. Cortez Masto won by about 8,000 votes, the three endangered Democratic House members won new terms, the Democrats increased their edge in both legislative chambers, and Democrats defeated each of the Trump-aligned candidates for statewide office.