President Trump has instructed his aides to prepare for an extension of America’s naval blockade of Iran to squeeze Tehran’s already struggling economy , officials said. To force Iran to get serious about negotiating and giving up its nuclear material, Trump is committed to a longer halt of Iran’s oil exports, the lifeblood of the Islamic regime, the Wall Street Journal reported. The move comes as experts estimate that Iran has at most 12 to 22 days of oil storage left, as Tehran has nowhere to send its crude under the blockade. President Trump is allegedly looking to extend America’s blockade of Iranian ports. Salwan Georges / Pool via CNP / SplashNews.com The US blockade and Iran’s own stop orders have effectively kept traffic at the Strait of Hormuz shut.…