The U.S. government on Friday expressed deep sorrow over the assassination of former Japanese Prime Minister Shinzo Abe, deploring the loss of a "champion" of the alliance between the two countries and an architect of ideas now playing a key role in regional security."I am stunned, outraged, and deeply saddened by the news that my friend Abe Shinzo, former prime minister of Japan, was shot and killed while campaigning. This is a tragedy for Japan," President Joe Biden said in a statement, hours after Abe was gunned down during a stump speech in the western Japanese city of Nara."While there…READ FULL ARTICLE