Iranian officials stressed that they taught the U.S. a lesson by seizing 10 sailors from two boats in the Persian Gulf.The semi-official Fars News Agency reported Wednesday that Foreign Minister Mohammad Javad Zarif told Secretary of State John Kerry that the U.S. needed to apologize before the sailors were released. According to a statement from Iran's Revolutionary Guard Corps, "the Americans have extended an apology," Fars said.Zarif tweeted today: "Happy to see dialog and respect, not threats and impetuousness, swiftly resolved the #sailors episode. Let's learn from this latest example."Washington denies any "official" apology was offered. Iran broadcast a video...