Both Sergio Trigo Paz and Rick Rieder made statements that were bullish on the dollar.

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"We've added to the name and we've been comfortable growing positions, " Mr. Rieder said.

WSJ: Loans to Banks Cool Debt Crisis

The clergymen King addressed in his letter had a more mixed reaction, Rieder wrote in his book.

CNN: How MLK became an angry black man

Rieder also wrote, "The Word of the Lord is Upon Me, " a book that revealed King's backstage discussions with friends and colleagues.

CNN: How MLK became an angry black man

"In general, the court seems skeptical of litigation that appears to be lawyer driven, " says Eric Rieder, a partner at Bryan Cave.

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Rieder says King's dual nature -- the "crossover King" with the refined, professorial manner, and the private, even sarcastic King -- take turns on center stage in the letter.

CNN: How MLK became an angry black man

Yet the "crossover King" -- the man who never embraced black separatism or abandoned nonviolence -- is just as authentic, Rieder says, and his moral passion has inspired nonviolence activism around the globe.

CNN: How MLK became an angry black man