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WASHINGTON, DC - DECEMBER 07:  Mark Cuban, chairman of AXS TV and owner of the Dallas Mavericks, listens to testimony during a Senate Judiciary Subcommittee hearing on Capitol Hill, December 7, 2016 in Washington, DC. The subcommittee heard testimony regarding a proposed merger between AT&T and Time Warner.  (Photo by Mark Wilson/Getty Images)
WASHINGTON, DC - DECEMBER 07:  Mark Cuban, chairman of AXS TV and owner of the Dallas Mavericks, listens to testimony during a Senate Judiciary Subcommittee hearing on Capitol Hill, December 7, 2016 in Washington, DC. The subcommittee heard testimony regarding a proposed merger between AT&T and Time Warner.  (Photo by Mark Wilson/Getty Images)

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    Mark Cuban grades Trump on leadership

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Mark Cuban grades Trump on leadership

The Dallas Mavericks' owner talks about the President's leadership style and whether he will challenge Trump in 2020.

Mark Cuban grades Trump on leadership

The Dallas Mavericks' owner talks about the President's leadership style and whether he will challenge Trump in 2020.