From The Washington Post:
Bernie Sanders has been beaten worse than he was on Tuesday night. He picked up one win, in Rhode Island, out of five states and held Hillary Clinton under a 2-to-1 margin in her best state. It wasn’t a great night, and Clinton added to her delegate lead, but he’s had worse.
A few hours before, he’d sent out an email blasting Clinton’s past friendship with Donald Trump, even including the now-famous photo of Clinton at Trump’s (third) wedding. That email pledged that Sanders would “fight through the narrow path we have to the nomination” and that the campaign would “keep fighting hard for every vote and for every delegate … because that’s the only way to win this nomination.”
Not an announcement that he’s dropping out, but it’s a quiet concession that he won’t win the delegates needed in order to best Clinton’s totals
In his post-election statement, though, his tone had shifted.
“I congratulate Secretary Clinton on her victories tonight,” it said, “and I look forward to issue-oriented campaigns in the 14 contests to come.”
The people in every state in this country should have the right to determine who they want as president and what the agenda of the Democratic Party should be. That’s why we are in this race until the last vote is cast. That is why this campaign is going to the Democratic National Convention in Philadelphia with as many delegates as possible to fight for a progressive party platform…
That’s not an announcement that he’s dropping out, but it’s a quiet concession that he won’t win the delegates needed in order to best Clinton’s totals. By our math, before delegate totals are finalized, there aren’t enough delegates left on the map for Sanders to clinch a majority in the voting — and he’d need nearly twice as many delegates as Clinton to pass her thanks to her large lead. And that’s excluding superdelegates. His goal isn’t to triumph with delegates; it’s to get enough to twist some arms on the convention floor.