Dan De Luce

After the blockade was imposed about a month ago, President Donald Trump and top administration officials suggested it would spark an immediate crisis for Iran's oil sector.

U.S. officials believe the regime could fall by the end of the year, but that timeline isn't fast enough for the president, sources say. The White House says Cuba has rejected humanitarian and economic assistance to stabilize.

The interviews appeared to focus solely on former CIA Director John Brennan and his statements to Congress, a person familiar with the investigation told NBC News.

The two leaders will discuss a U.S.-China trade board and agreements on aerospace, agriculture and energy, though aides say no comprehensive deal is on the table.

The biggest change in recent months has come from Ukraine’s newly developed midrange drones, which have allowed Kyiv for the first time to strike behind the front line, hitting Russian ammunition depots, supply convoys, headquarters and large concentrations of troops, sources say.

The longtime senior officer was also accused of lying about his background for nearly two decades, according to court documents about the case.

A former CIA senior officer is accused of stealing 300 gold bars from the government and lying for years about his education and military. background.

China may also have provided Iran with a long-range early-warning radar that spots stealth aircraft meant to evade detection, people familiar with the matter tell NBC News

The officer worked for a CIA branch that pursues highly secret projects and had a professional relationship with the deputy defense secretary, sources told NBC News.

Former intelligence officials worry Bill Pulte will have access to a trove of intelligence and seek retribution against Trump's political enemies or to try to justify federal intrusion into upcoming elections.