Jim Harbaugh is done talking about the handshake

On Sunday, 49ers coach Jim Harbaugh and Lions coach Jim Schwartz nearly got into a fight after their game in Detroit. By Tuesday, Harbaugh was done talking about it. “I don’t really have any comment on it,” Harbaugh said on KNBR when asked about whether a post-game handshake is needed, via SportsRadioInterviews.com.  “One coach is…