It was a threat that prompted the centrist Democrat to spend much of Thursday clarifying to reporters in the halls of the Capitol.Roughly half of House Democrats voting to cut off U.S. aid to Israel and insurgent progressives with anti-Israel sentiments ousting incumbents are not part of his calculation. Fetterman considers the events largely “symbolic.” “If you actually [make] it part of our platform, then that’s different,” Fetterman said. “When they just make it official. That they add that to the platform and say, ‘We will never support aid for Israel, it doesn’t deserve to exist,’ and makes it very...