The family of slain Palestinian-American journalist Shireen Abu Akleh has accused the United States of giving impunity to Israel over her killing and asked to meet President Joe Biden in person during his trip to Israel next week. In a letter to Biden posted on Twitter on Friday, the family said the administration simply adopted the Israeli government’s conclusions over her death, which it described as an extrajudicial killing, while falling short of its own stated goal of ensuring full accountability. This morning, our family sent this letter to @POTUS demanding that he meet with us during hi…