In this July 14, 2016, file photo, Democratic presidential candidate Hillary Clinton, accompanied by Sen. Tim Kaine, D-Va., speaks at a rally at Northern Virginia Community College in Annandale, Va. Clinton has chosen Kaine to be her running mate (AP Photo/Andrew Harnik)

Clinton picks Sen. Kaine as VP

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Virginia Sen. Tim Kaine has emerged as the leading contender to be Clinton’s running mate.