Problem: Named after US economist Arthur Laffer, his eponymous Curve refers graphically to notional/optimal government revenues according to levels of?
Answer: taxation

Problem: Who won the 2009 Australian men's tennis Open Championship?
Answer: rafael nadal

Problem: May 20, 1916 saw which famed American artist have his first of 322 Saturday Evening Post covers when Boy With a Baby Carriage graced the front of the publication?
Answer: norman rockwell

Problem: Which film, released in 1973 and featuring the main characters called Henry Shaw Gondorff and Johnny Kelly Hooker won the award for best picture in 1974 ?
Answer:
sting