LARRY BEIL: Is Kaep radioactive? Why Colin Kaepernick doesn't have a job
Civil rights groups and celebrities are also expected to attend rallies in cities across the country to call on the NFL to re-sign Kaepernick.
The former 49ers quarterback took a knee during the national anthem last year -- sparking a national conversation. Other players have sat during the anthem this year -- but Kaepernick is the only one not working.
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