Q: First lady Melania Trump did not go to Vietnam with President Donald Trump, but stayed in China. When Melania Trump arrived home, she did not get off Air Force One. How did she get home?

—R.L. Turner, Atlanta

A: The first lady left China and stopped in Alaska on way back to Washington. The Alaska Dispatch News reported that she would travel on an Air Force jet but not Air Force One.

The Washington Post reported that during a refueling stop in Joint Base Elmendorf-Richardson in Anchorage, she met with members of the military, children and teachers.

The New York Times noted in an October story that the government’s fleet of aircraft includes four C-32A (Boeing 757) jets, which the First Lady has taken on trips.

Q: What is the bonzai drug? I’ve read a lot about this drug in foreign newspapers.

—Joe Klein, Atlanta

A: Bonzai is a synthetic cannabinoid, drugs that are "increasingly used all over the world as marijuana substitutes," according to a 2016 article by Turkish researchers in the World Journal of Emergency Medicine.

“The use of bonzai (synthetic cannabinoids) has increased among the young population due to easy accessibility in recent years,” wrote the researchers from Ondokuz Mayis University.

Fast Copy News Service wrote this column. Do you have a question? We’ll try to get the answer. Call 404-222-2002 or email q&a@ajc.com (include name, phone and city).