Summary U.S. hopes to ramp up pressure on Maduro government Covert operations expected to be first step, sources say U.S. options include overthrowing Maduro Human rights groups condemn U.S. strikes as illegal extrajudicial killings WASHINGTON, Nov 22 (Reuters) - The United States is poised to launch a new phase of Venezuela-related operations in the coming days, four U.S. officials told Reuters, as the Trump administration escalates pressure on President Nicolas Maduro's government. Reuters was not able to establish the exact timing or scope of the new operations, nor whether U.S. President Donald Trump had made a final decision to act....