Title: United States Air Force.
Question: What Secretary of the Air Force resigned in 2008?

Title: Queen Victoria.
Question: When did Victoria ask Palmerston to resume his office?

Title: House music.
Question: what event led to an increase in popularity for house music in the middle east?

Title: Multiracial American.
Question:
What is the effect of there no longer being a stigma on interracial marriage?