If she had not, she could have said "now that Obama has committed to the removal of Gadaffi we must save out credibility and do it. Or Obama's mission will be consider a failure and a defeat for the USA"
When Palin suggested the NFZ, the rebels had an intact military force. Aerial intervention at that point would have leveraged rebel ground strength.
But weeks of dithering by the Golfer-in-chief allowed Ghadaffi’s airpower to decisively alter the balance of force on the ground.
Ghadaffi’s planes are now grounded - but that doesn’t mean that the rebel soldiers get to rise from the dead.