DUBAI, United Arab Emirates (AP) — President Donald Trump warned Iran early on Monday not to threaten the United States again or it would face its "official end," shortly after a rocket landed near the U.S. Embassy in Baghdad overnight and only 48 hours after he seemingly sought to soften his tone.Iran's foreign minister quickly responded in kind on Twitter with his own message: #NeverThreatenAnIranian.Trump's tweet follows days of heightened tension sparked [...]