VATICAN CITY — Pope Francis bestowed sainthood on two Palestinian nuns May 17, a move that’s been seen as giving hope to the conflict-wracked Middle East and shining the spotlight on the plight of Christians in the region. Sisters Maria Baouardy and Mary Alphonsine Danil Ghattas were canonized by the pontiff along with two other 19th-century nuns, Sister Jeanne Emilie…