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Point lead. biden is third with 9% of the vote. political watchers say clintons use of a personal e-mail account is a hurdle for her as a candidate. nbc news has learned two of her top aids will sit for interviews before the house committee next week. those will be closed to the press. clinton herself is scheduled to testify during a public hearing before the committee on october 22nd. joining me now is bob shrum and democratic strategist also matt schlapp and perry bacon. professor, would you w...