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San Francisco 49ers quarterbacks Colin Kaepernick, left, and Blaine Gabbert stand on the sideline during the second half of an NFL preseason football game against the Green Bay Packers on Friday, Aug. 26, 2016, in Santa Clara, Calif. Green Bay won 21-10. (AP Photo/Tony Avelar)
San Francisco 49ers quarterbacks Colin Kaepernick, left, and Blaine Gabbert stand on the sideline during the second half of an NFL preseason football game against the Green Bay Packers on Friday, Aug. 26, 2016, in Santa Clara, Calif. Green Bay won 21-10. (AP Photo/Tony Avelar)

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Mother of fallen hero to 49ers QB: Sitting down 'easy'

A mother who lost her son to an IED attack in Afghanistan says Colin Kaepernick should take action so he can be proud of the American flag.

Mother of fallen hero to 49ers QB: Sitting down 'easy'

A mother who lost her son to an IED attack in Afghanistan says Colin Kaepernick should take action so he can be proud of the American flag.