Phil Mickelson is defending the title that he won a year ago, while most of the pre-tournament attention is focused on his arch rival, Tiger Woods.

NPR: Tiger Woods Rolls into PGA Championship

The A380, the superjumbo from Boeing's arch-rival Airbus, has had its own travails, both pre-certification, when the whole wiring infrastructure was called into question, and after service-entry when cracks were discovered in wing ribs.

CNN: How Boeing can bounce back from Dreamliner problems