North Korea threatens United States on summit, suspends talks with South Korea over military exercise; North Korea threatens to pull out of United States summit, suspends talks with South Korea over military exercise; Senior Official: Trump aware of North Korea threat as whit house prepares response; Aides: White house caught off guard by North Korea threat; Qatari investor confirms he attended 2016 Trump tower meetings; Source: Michael Cohen "Popped into" meeting with Qatari investor and Trump transition officials; Judges refuses to dismiss charges against Manafort; Sources: Unprecedented steps to stop white house leaks; Michael Flynn praises Trump in foreword to book; Photo scandal sparks royal wedding mystery; Conflicting reports on bride's father attending royal wedding; White house caught off guard by North Korea threat; North Korea threatens to pull out of United States summit, via Knit