Choose your reply from the options at the end. Does "At Sony's E3 2010 press conference, Newell made a live appearance to recant his previous statements, citing Sony's move to make the system more developer friendly, and to announce that Valve would be developing Portal 2 for the system." contain the correct answer to "What year did Newell show up at Sony's EC3 press conference to take back what he said about PS3?"
OPT:
-yes;
-no;
yes