Title: Cardinal (Catholicism).
Question: What was a "lay cardinal" allowed to do that is not considered a normal status of a Cardinal?

Title: United States Air Force.
Question: Who does the senior leadership roles in the USAF include? 

Title: British Isles.
Question: What are two other major populated cities in England?

Title: Human Development Index.
Question:
Where was the 2007/2008 Human Development Report launched?