Any questions for Andy Revkin and David "Climate Nuremberg" Roberts? Tweet them to #tellgrist

Twitter / cgiller: Join @revkin and @drgrist for ...

Join @revkin and @drgrist for a conversation here at 4 p.m. eastern tmr. Send any questions in advance to #tellgrist http://grist.org/climate-energy/andrew-revkin-david-roberts-and-you/#.Ubolkj3brdQ.twitter …