"We called the White House and they acted swiftly on the Friday event, which has since been postponed," said a staff member for Republican Florida Sen. Marco Rubio, who complained that the event would have openly undermined President Donald Trump’s agenda on Cuba."The event in question has been postponed," a State Department official confirmed."This (event) was designed to embarrass the president and Pompeo—somebody needs to be held to account," one source said. "The fact that State Department officials were advancing a program that is so slanted and completely at odds with the president's directive on Cuba, I am concerned what...