Kaepernick, Houston dispute quarterback’s use of slur

The NFL’s letter informing 49ers quarterback Colin Kaepernick that he’s been fined for using abusive language doesn’t specific what he said. Bears defensive end Lamarr Houston now says that Kaepernick used the “N” word.  Kaepernick contends he didn’t. Via Brad Biggs of the Chicago Tribune, Houston said Monday night that he heard Kaepernick utter the…