The hosts are currently 2-0 up against a Spanish team without Rafael Nadal, David Ferrer, Nicolas Almagro and Fernando Verdasco.

CNN: Czech Republic win 7-hour Davis Cup doubles marathon

The prestige of David Cameron, Nicolas Sarkozy or Angela Merkel rests in part on their personal dealings with the American president.

ECONOMIST: Charlemagne

Meanwhile in Castellon, Spain took a firm hold on their tie against Austria as Nicolas Almagro and David Ferrer recorded straight set wins over Jurgen Melzer and Andreas Haider-Maurer respectively.

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And according to helpful Obama administration officials, everything revolves around Netanyahu's ability to convince the EU-3 - British Prime Minister David Cameron, French President Nicolas Sarkozy and German Chancellor Angela Merkel - that he is serious about appeasing the Palestinians.

CENTERFORSECURITYPOLICY: Netanyahu's time to choose

Chardy, who as world number 145 is the lowest-ranked player left in the draw, defeated sixth seed David Nalbandian in the second round and will now play Nicolas Almagro, who beat Andy Murray, for a quarter-finals berth.

BBC: SPORT | Tennis | Nadal & Djokovic into round four

Reaction was slow to come out of Europe Saturday, where questions have been raised about how many European leaders -- including the U.K.'s David Cameron, Germany's Angela Merkel and France's Nicolas Sarkozy -- are presently on vacation.

CNN: World reacts to U.S. credit downgrade

Defending Olympic champion Nicolas Massu of Chile was dumped out by number seven seed David Nalbandian, while Russian fourth seed Nikolay Davydenko went down 7-5 6-3 to Paul-Henri Mathieu.

CNN: Federer, Nadal and Djokovic cruise through

French President Nicolas Sarkozy, German Chancellor Angela Merkel and U.K. Prime Minister David Cameron issued a similar joint statement today.

FORBES: Obama Stops Oil Imports And Bans Syrian Investment, Expects Other Nations To Do The Same

Formal proof is a notion developed in the early part of the 20th century by logicians such as Bertrand Russell and Gottlob Frege, along with mathematicians such as David Hilbert (who can fairly be described as the father of modern mathematics) and Nicolas Bourbaki, the pseudonym of a group of French mathematicians who sought to place all of mathematics on a rigorous footing.

ECONOMIST: Just what does it mean to prove something?

Third seed Robin Soderling beat Nicolas Almagro 7-5 4-6 6-3 to set up a clash with eighth seed David Ferrer, who beat Lu Yen-hsun 6-3 3-6 6-1.

BBC: Andy Murray into last eight of China Open in Beijing