Schumer's path to the majority runs through his Democratic critics

On a good day, Senate Minority Leader Chuck Schumer can see a Democratic majority in 2027. Why it matters: On a bad one, he can see the caucus that comes with it. Abdul El-Sayed's 48.5% to 47.5% victory over Rep. Haley Stevens (D-Mich.) exposed an uncomfortable reality for Schumer: Some of the Democrats most likely to deliver him a majority may also be the hardest to lead. "If you're Chuck Schumer, I'm dangerous," El-Sayed said during the campaign. "If you're AIPAC, I'm dangerous. If you're a…