“Above all, the past few months have amplified questions about whether Walker’s campaign and, more importantly, the candidate himself are built to thrive on a stage larger and less forgiving than Wisconsin. Political observers had long worried about whether he had the charisma to succeed in a presidential contest. Now, there are doubts about his substance. At times, the candidate and his operation have appeared accident-prone and politically immature.”
Via Scott Walker Presidential Campaign @ National Review Online.