(Bloomberg) -- US President Donald Trump is showing signs of frustration at a lack of progress in negotiations to end the 10-week war with Iran, as the Strait of Hormuz remains all but closed to vital energy supplies and oil prices continue to rise.Most Read from BloombergInside a Year of Chaos and Conflict at Kevin Hart’s Media CompanyIran Makes New Offer on Uranium in Response to US, WSJ SaysAmbani’s Cola War With Coke, Pepsi Spurs Fridge Bonanza in IndiaNvidia’s CEO to Miss China Trip After Y