This switch in his style caused quite a bit of controversy in the hip-hop world, but was essentially the turning point for his entire career.

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Hip hop's critics make a valid point that the genre is full of problematic expressions.

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"When the comic high point of your movie features Steve Martin attempting to break dance while clad in hip-hop gear, you know you are in trouble", BBC News Online's Caroline Westbrook said on Monday.

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While Mr Romney has come under a good deal of fire recently for gaffes, or shooting from the hip, it is only fair to point out that on China, Mr Obama has been triangulating - or adjusting his policy closer to those advocated by his critics - on trade relations with China.

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