By BILL BARROW, Associated Press U.S. Vice President JD Vance’s team posted and then deleted a message on social media about the Republican’s visit to a memorial paying tribute to early 20th century Armenians killed by the Ottoman Empire. The issue was the post using the term “Armenian genocide,” a designation the U.S. government historically has not used for what happened, with a notable exception by the Biden administration. The White House blamed a staff mistake. Here are some questions and answers about what that means, what Vance himself did and didn’t say, and why it matters. What did Vance...