You can pick a turtleneck in a snappy color and just pair it with dress trousers for a casual look or go tone-on-tone with a suit and a turtleneck as they did at Calvin Klein and Salvatore Ferragamo for a more sophisticated style.

FORBES: What The Stylish Men Are Wearing This Fall

Which may go some way towards explaining the tone of President Obama's speech this week.

BBC: Why Obama has turned towards Israel

If you detect a hint of sarcasm in my tone this morning, go ahead and give yourself a gold star.

FORBES: Can It Really Be That Easy, That Obvious?

And how do you expect the tone of this meeting to go?

WHITEHOUSE: Press Briefing

It is hard, indeed boring, to read at one go, and Wesley Hagood's tone is confused: he applauds stud behaviour but can sound also like an apprentice inquisitor.

ECONOMIST: The Clinton scandal is getting the books it deserves

And it was Parker who brought Upton Park to life after a subdued opening period with a couple of trademark tackles, setting the tone for the Hammers to go ahead after 34 minutes.

BBC: West Ham 3-1 Wigan

His friends asked him to tone down his rhetoric, let the issue go.

FORBES: Here's a Thought: Google's Map Maker Could be Businesses' Long-Awaited Yelp Killer

With the formalities finally out of the way, a clap of thunder echoed around the park and Prince launched into Let's Go Crazy, swiftly followed by Delirious, setting the tone for an upbeat, hit-fuelled set.

BBC: Prince performs first UK festival at Hop Farm

But the Pope's supporters will be hoping that by visiting Muslim holy sites - he was the first pontiff to go to the great compound of al-Aqsa mosque in Jerusalem - he will have improved the overall tone of relations between the Catholic Church and some at least of Islam's believers.

BBC: Reflections on Pope's Holy Land tour

If there is a better tone and more conviction that the market is better, one of the first stocks that money will go into is Apple.

FORBES: 2 Most Important Companies Reporting Earnings This Week