When does the executive branch get checked by the legislative branch

President of the united states has scheduled a cabinet meeting today to discuss energy policy with specific focus on pollution and global warming. given what you know of the executive branch, which group of attendees would the president most likely expect to provide up-to-date information and expert insight during this meeting?

What did the mexican solders eat during 1833

Which president was known for the statement “speak softy and carry a big stick? ”