So why did Clinton win? Thanks to a familiar combination. She won black voters by a 3-to-1 margin, according to preliminary exit polls reported by CNN. In states with more black voters, she’s usually won, and New York was no exception. She won Latino voters by a more modest margin, getting about six in 10 votes (slightly less than she’s seen in previous contests). This was also a slight uptick over Hispanic turnout seen in 2008. The only racial or gender group that Sanders won, of those that had enough turnout to measure? White men.

Clinton also continued to offset Sanders’s giant advantage with young voters through a giant advantage with older ones. Sanders won just under six in 10 voters under 45. Clinton won those older by a wider margin. Sanders won “very liberal” voters by a wide margin, as is normal.

Sanders was clearly hurt by New York’s closed primary. As our Scott Clement notes, only Mississippi had a higher percentage of the electorate that identified as Democratic. For a candidate who routinely draws about a third of his support from independents, that was a critical factor.

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If Clinton holds on to a 10-point margin of victory, she’ll net 25 more delegates than Sanders. In only one state — Washington — has Sanders gained that many delegates at once. This is an estimate — the number could change — but it reinforces the principal problem for Sanders’s bid. It’s as many delegates as he netted in New Hampshire, Oklahoma, Michigan and Nebraska combined. He needed big wins in big states. Instead, in New York, he had a modest loss.

Which naturally raises the question of what happens once the race is over. The exit pollsters asked a question to that effect. If Clinton is the nominee, they asked, would you vote for her in November? About seven in 10 Sanders supporters said they would or probably would. If Sanders is the nominee? Just as many Clinton supporters would back him. What’s more, two-thirds of Democrats say the campaign has “energized the party” — whereas only about four in 10 Republicans said the same thing.