Topics and Guests for July 28

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In an astonishing setback for the shuttle program, NASA (search) on Wednesday grounded future flights because the foam debris that led to the Columbia disaster still poses a risk to space missions.

We'll get reaction from Mary Ann Kelly, mother of shuttle pilot Jim Kelly.

Plus, with the shuttle fleet grounded again, should heads roll at NASA? We'll ask Herman Cain, former CEO of Godfather's Pizza and author of "They Think You're Stupid."

And, is it time to privatize space exploration once and for all? Sir. Richard Branson, chairman and CEO of the Virgin Group, weighs in.

Famed discrimination attorney Willie Gary joins us to discuss the latest target of discrimination.

We'll talk earnings and expectations with Terry Lanni, CEO of MGM, and Jim Donald, president and CEO of Starbucks.

Plus, in a rare interview, Investec's CEO Hendrik du Toit explains how you can fight poverty in Africa while fatten your portfolio.

And, hedge funds (search) used to be the investment vehicle of the rich. Now all smart investors are the driving force behind them. But is the risk worth the reward? Answers on tonight's edition of "Your World with Neil Cavuto."

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"Your World with Neil Cavuto" offers news and insight on Wall Street and other market activities, while wrapping up the business news of the day. Named "the best interviewer in broadcast business news" by The Journalist and Financial Reporter, Neil Cavuto identifies why and how events happen.

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Terry Keenan, host of Cashin' In
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Stuart Varney, FOX Business News contributor

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