The full-featured controller combines a four-channel mixer section with ergonomically laid-out high-quality control elements and an integrated audio interface, all designed to professional specifications.

ENGADGET: Traktor Kontrol S4 hardware interface set to make the scene this winter

To test their knowledge of the country they're playing for, The Wall Street Journal quizzed four of Spain's American-born players on some basic elements of Spanish culture, history and government.

WSJ: World Baseball Classic��What Spain Lacks: Spaniards

The plan includes four key elements: stronger border security, creation of forgery-resistant proof-of-citizenship documents, fairer legal immigration for desirable candidates, and a "tough love" path to citizenship for those already in the United States.

CNN: Five reasons why time may be right for immigration reform

According to my ninth book, Capital Rising, co-authored with Srini Rangan, the EE consists of four key elements: transparent and efficient financial markets, reliable and effective corporate governance systems, human capital development systems, and clear and supportive intellectual property protection laws.

FORBES: Do Tax Cuts Create Jobs?

Elements of the peace-and-liberty plurality are buried within all four groupings.

FORBES: The Grand Old Republican Party Is Over

No matter what Hollywood comes up with next -- there are still rumors of an "Ant Man" film out there and a reboot of "Fantastic Four" -- fans know that after this summer the movie studios will keep trying to assemble the right elements for a superhero blockbuster.

CNN: Hollywood brings out big guns for a superhero summer