By Patricia Zengerle WASHINGTON (Reuters) – Dozens of President Joe Biden’s fellow Democrats signed a letter on Friday urging his administration to reaffirm that the United States strongly opposes “the forced and permanent displacement” of Palestinians from Gaza. The letter to Secretary of State Antony Blinken, led by U.S. Representatives Ayanna Pressley and Jamie Raskin, was signed by 60 Democratic House of Representatives members, reflecting concern, especially on the left, over the steep toll on Palestinian civilians of Israel’s campaign against Hamas. “We urge you to continue to reiterate …