The Welshman carded a third-round 65 at Crans-sur-Sierre for a 13-under-par as he chases a second European Tour title.
He has a seven-point lead over Ferrari rival Felipe Massa as he chases a first world championship on 2 November.
World number one Tiger Woods, battling a dose of flu, returned a two-under 69 as he chases a third successive win.
He now represents the penultimate hurdle as Federer chases a 14th Grand Slam title to equal the haul of U.S. legend Pete Sampras.
As India chases a target of 9% economic growth this year, there is pressure to build more factories, mines, irrigation projects and railway lines, which often means cutting down the country's forests.
We will have to wait and see what other forms of luxury consumer behavior develop as China chases Japan to attain the number one spot on the list of global luxury consumer markets.
As more capital chases a limited number of workers, unemployment falls and wages rise.
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As fund comanager, Trevisani chases after value, paying particular attention to the enterprise multiple.
They added that other action releases which contained guns and high-speed chases had been advertised as "the coolest movie of the year" and not prompted any complaints.
Hot money from abroad also chases the Chinese currency, as columnist Steve Hanke observes on page 102.
Of course, defenders of the series insist its entire basis is as a modern fantasy - and suspension of disbelief is required during the sex scenes just as much as it is for the fights, car chases, gadgets and super-villains.
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After a while it doesn't matter, since the action is as repetitive as it is relentless, a succession of fights and frantic chases accompanied by those drums that have come to define the genre pacemakers for heartless thrillers.
As long as it's engaged in light-hurling bouts of force, or motorcycle chases through a landscape so ominously enveloping it looks like "Blade Runner" after gentrification, "TRON: Legacy" is a catchy popcorn pleasure.
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