Newt Gingrich got the endorsement of the New Hampshire Union Leader . Julian Zelizer says Gingrich aids GOP by putting focus on what it should stand for . Gingrich has been more successful at promoting ideas than in leadership roles , he says . Comment: Gingrich unlikely to win , but his impact will be felt .
Newt Gingrich got the endorsement of the New Hampshire Union Leader . Julian Zelizer says Gingrich aids GOP by putting focus on what it should stand for . Gingrich has been more successful at promoting ideas than in leadership roles , he says . Zelizer : Gingrich unlikely to win , but his impact will be felt .