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LAS VEGAS, NV - FEBRUARY 23:  Donald Trump Jr. (L) looks on as his father, Republican presidential candidate Donald Trump, waves after speaking at a caucus night watch party at the Treasure Island Hotel & Casino on February 23, 2016 in Las Vegas, Nevada. The New York businessman won his third state victory in a row in the "first in the West" caucuses.  (Photo by Ethan Miller/Getty Images)
LAS VEGAS, NV - FEBRUARY 23:  Donald Trump Jr. (L) looks on as his father, Republican presidential candidate Donald Trump, waves after speaking at a caucus night watch party at the Treasure Island Hotel & Casino on February 23, 2016 in Las Vegas, Nevada. The New York businessman won his third state victory in a row in the "first in the West" caucuses.  (Photo by Ethan Miller/Getty Images)

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Donald Trump says his vice president will be 'political'

Donald Trump was asked on the campaign trail what qualities he would look for in a vice presidential candidate.

Donald Trump says his vice president will be 'political'

Donald Trump was asked on the campaign trail what qualities he would look for in a vice presidential candidate.