It was an active subject of discussion on the campaign trail last fall with a lot of negativity around it.

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While most Democrats are pushing back from the idea of a second stimulus, Rep. Alcee Hastings indicated Wednesday that there is an active dialogue about the subject.

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The more recent contributions in Peter Krass's collection include an essay by Warren Buffett, the famed Sage of Omaha whose investment approach, so-called focus investing, offers a third way between the indexers and active traders, and is the subject of a whole book by Robert Hagstrom.

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"Pickens is an ideal subject because he's much more active than other people his age, " says Park.

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