If Professor Henshaw is right, his theory would be backed by epidemiological evidence - an analysis of every childhood cancer case would show more cases than expected living in these conditions.

BBC: Battle lines drawn in pylon debate

The New York City lawyer who helped win a landmark court ruling in 2006 that ordered billions of dollars more spent on schools has been quietly building a new case to show that even after more than a decade of litigation, the state still may be failing its most impoverished students.

WSJ: School Spending Under Microscope

But in each case the president needs to show more determination and leadership than he has thus far.

ECONOMIST: American politics after health reform

It may be, however, that you are reading this online after scanning a comparative review of flat-panel televisions on a technology blog, or visiting websites for villa rentals in Tuscany in which case it might make more sense to show advertisements for televisions or villas.

ECONOMIST: Behavioural targeting

Becker says more recent studies show that's not the case.

NPR: Environmentalists Weigh In on Ethanol

"There is enough evidence to show that the act was not incidental and hence the case should be tried under a more serious section, " Magistrate Vasant Patil said in his order.

BBC: Salman Khan: Bollywood star faces homicide charge

The Willey investigation, like the foray into campaign finance, is designed to broaden the case against Mr Clinton: to show that he may have lied and obstructed justice in more instances than just the Lewinsky-related ones.

ECONOMIST: Impeachment

In this case, Apple should have included more than one cable and even an adapter or two as a show of good faith, at least for the first year of the product launch.

ENGADGET: This is the Modem World: Please fix two things

When it comes to new series, media buyers are forced to rely on differentiators like night of the week (Thursday nights, for instance, are more desirable than Friday nights, and are thus more expensive), expected demographic (shows that skew younger tend to be more attractive) and the newcomer's lead-in show (or shows, in the case of a programming block like Fox's Sunday-night animation domination).

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