US representative Nancy Pelosi, former House speaker and a key ally of President 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.Israel’s military assault on Gaza, which followed Palestinian Islamist group Hamas’ October 7 attack, has come under increasing international criticism as the Gaza health ministry has reported more than 33,000 people have died in the war and the narrow coastal enclave suffers widespread famine.Support from Pelosi, a veteran member of…