Winsor, a former rail regulator, argues that far from keeping the police in touch with the public they serve, this deeply ingrained "blue collar" attitude is out-of-step with the modern world and is holding police officers back.

BBC: What do bobbies learn on the beat?

More broadly, on the matter of what's called green on blue incidents, there's no question that these incidents are deeply concerning, and our hearts go out to the families and friends of those who have lost loved ones in those incidents.

WHITEHOUSE: Press Briefing

There is the thickly wooded, deep-green, deeply mysterious Gargano Peninsula, which is all rocky harbours, magnetically blue sea and pale sea cliffs.

BBC: Italy��s finest coastlines

Those of us who care deeply about this country -- whether black or white, red or blue -- need for Barack Obama to succeed, because failure would come at too high a price.

CNN: Commentary: Guess who's not giving Obama full support?

At the end of the day who, besides someone who wants to sell you something or go out with you, deeply cares to know you can't get enough of Jackson Browne's tunes and blue Gatorade?

FORBES: Melanie Wells On Advertising And Marketing

And while whenever there is a so-called green-on-blue incident, it is concerning and the fact that there have been the number of incidents that you mentioned is deeply concerning, it is also important to put it in perspective.

WHITEHOUSE: Press Briefing