Frantic Trump, 79, Posts Ominous All-Caps Message in Morning Meltdown  The Daily BeastLive updates: Trump issues warning to Iran ahead of high-stakes negotiations in Pakistan  CNNIran war latest: Trump warns Iranians US will resume strikes if deal isn’t agreed at talks  Sky NewsTrump ‘optimistic’ about Iran peace deal even as ceasefire appears strained  NBC NewsTrump says ‘backup plan’ not needed for Iran talks; wishes Vance ‘luck’  The Hill