Stringers say Serena and Venus Williams along with Kim Clijsters are among the few top players left still playing with a full racket head of gut.

WSJ: Roger Federer: With Tennis Rackets, He Strings Them Loose

It is a measure of how far the immigration debate has moved from head to gut that Mr Tancredo is now in many ways mainstream (and his immigration caucus has 92 members).

ECONOMIST: Dispiriting news on immigration

Here though, is a moment that is both gut wrenching and head-scratching.

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