They are turning this into a racial issue. The NAACP is the main attack dog in this move. The Left has found an antigun issue to use. Obama will move to create Nat'l Laws on Interstate concealed carry agreements. The Interstate Commerce rules will be used to bring this about. This was used stop out of state hand gun buys in the 68' Gun Laws.
There will be a lot of attacks on the stand your ground laws over the next year or 2 because they view it as a law they can remove. The thing everyone needs to do in their state is flood the state legisltaure with emails and letter against it.
Also lets not forget that in MI the SYG laws come under attack every election year. This is not a new thing, review history and use that to fight the present.