Representative Nancy Pelosi, former House speaker and a key ally of Joe Biden, signed a letter on Friday from dozens of congressional Democrats to the president and Secretary of State Antony Blinken, urging a halt to weapons transfers to Israel. More than 33,000 people have died in Israel’s war on the narrow coastal enclave, where a famine is also imminent and diseases are widespread, UN agencies have warned. Support from Pelosi, a veteran member of Biden’s Democratic Party, for stopping the transfer of weapons to Israel demonstrates that the view is increasingly becoming mainstream in the par…