schumer keeps on talking about his job being to take care of israel because he is their senator;

Senate Minority Leader Chuck Schumer told the New York Times' Bret Stephens that his "job" is to "keep the left pro-Israel."

From The New York Times, March 18, "Chuck Schumer Isn't Jewish Like the Pope Isn't Catholic":

I had already interviewed Chuck Schumer, the Senate Democratic leader, for his new book, "Antisemitism in America: A Warning," when President Trump accused him of being "a Palestinian" who was "not Jewish anymore." A few days later, Schumer decided to postpone his book tour after joining Republicans to support a stopgap spending bill to avoid a government shutdown — one that would have played straight into Trump's hands. Furious progressives were threatening a demonstration at every stop.

Derided by the MAGA right and yelled at by the far left? Outside of Katz's Delicatessen, it's hard to imagine a more Jewish place to be.

[...] Harvard was also the place where Schumer first saw left-wing antisemitism in action — using the cloak of anti-Zionism, as it often does today. At a 1970 campus speech by the Israeli foreign minister, Abba Eban, students in the gallery unfurled a banner that read, Fight Zionist Imperialism. Schumer's book recalls Eban's reply:..........more........