Trump had a little sad last night Philip Bump: Buried in his efforts to convince a sympathetic audience that he deserved to return to the White House, Donald Trump made an important admission about a long-standing frustration. “With all I have done for Israel,” he said at a campaign event ostensibly centered on antisemitism, “I received only 24 percent of the Jewish vote. Now think of this. I really haven’t been treated very well, but that’s the story of my life.” Subscribe to How to Read This Chart, a weekly dive into the data behind the news. Each Saturday, national columnist Philip Bump makes and breaks down charts explaining the latest in economics, pop culture, politics and more.Z In Trump’s estimation, he deserves both credit and unwavering support from Jewish Americans because of the things he did on Israel’s behalf as president. He said as much at the event. “I said, I’m the best friend they ever had. And still in 2020 — so remember, I got 24, 25 percent [of the Jewish vote in 2016]. Now, I did all of these things and I got 29 percent,” Trump complained. “Think of it. So I wasn’t treated right. But it’s not me that’s been treated badly. It’s Israel.” This is a recurring theme of Trump’s politics. Making his pitch to skeptical constituencies, he cobbles together accomplishments that he then promotes as exceptional, as the pinnacle of what those groups might have wanted. Black Americans want opportunity zones. Jewish people want the American Embassy…