NEW You can now listen to Fox News articles! This past weekend we recognized Memorial Day and saluted American soldiers and citizens who defended our country against evil and terrorism across the globe. My son Itay was 19 years old when Hamas murdered him on Oct. 7, 2023. He was the youngest U.S. citizen taken hostage that day. He was an American. He was an Israeli. He was my child. Almost a thousand days have passed since that morning — 966 days of unanswered questions. Grief does not end with an investigation. But without one, there can be no accountability and no rehabilitation. I am not writing as a Democrat or Republican. I am writing as a father and as an American who believes this country has and must continue to stand by its citizens. RUBY CHEN: MY SON IS HOME FROM GAZA, BUT OUR FIGHT IS NOT OVER America has investigated before The United States has a long tradition of investigating the deaths of its citizens in conflict zones.…