What to know

• A military aide accidentally deployed the emergency slide on the new Air Force One on Wednesday, according to a person familiar with the episode.S1
• Air Force One's emergency slide was activated shortly before Donald Trump was due to board for a flight to Dallas ‌for the ⁠Republican midterm convention.S2
• By Steve Holland and David ShepardsonWASHINGTON, Sept 9 (Reuters) - U.S. President Donald Trump departed Washington for Texas on Wednesday aboard the Air Force One plane gifted by Qatar after an emergency slide was accidentally deployed and was removed.Militar...S3