If so, then why did all his reference letters call him Mr. Zhang, not Dr. Zhang?

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It is a call, a reference.

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Kerry went on to call himself "the comeback Kerry, " a reference to poll results just weeks ago that showed him behind Gephardt and Dean.

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It could be a call for a further investigation - which might mean a reference to the Standards and Privileges Committee.

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Conservationists call the refuge "America's Serengetti, " a reference to giant wildlife preserve in Africa.

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Eventually another 100 or so orders will come over the Internet or the general call center number (1-800-321-THIN) without reference to the ad.

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Boehner, however, reiterated the GOP call for replacing the sequester plan with spending cuts and reforms -- a reference to changes in entitlement programs.

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He also made a humorous reference to a story that dominated the UK headlines Wednesday, involving two Australian DJs who made a prank call to the hospital in which they impersonated Queen Elizabeth II and Prince Charles.

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