What action can Congress take if it believes a president has committed a crime?

Congress has the authority to impeach the president if it believes that the president has committed a crime or acted in a manner that is deemed unacceptable. Impeachment is a constitutional process outlined in Article II, Section 4 of the Constitution, which states that the president, vice president, and all civil officers may be removed from office for "treason, bribery, or other high crimes and misdemeanors."

This process begins in the House of Representatives, where members can draft articles of impeachment. If a majority votes in favor, the articles are sent to the Senate for a trial. The Senate then conducts a trial and must reach a two-thirds majority to convict and remove the president from office. This procedure is a critical check on presidential power, ensuring that a president can be held accountable for serious misconduct.

Other options listed are not mechanisms for addressing presidential misconduct. For instance, overriding a veto pertains to legislative powers and is unrelated to impeachment. Changing the Constitution involves a complex amendment process that does not directly address the actions of an individual president. Calling for a national referendum does not exist in the context of constitutional processes to remove a president and does not pertain to the accountability issues at hand. Thus, impeachment remains the established method for Congress to take