A brazen, multiple-target, attack in the heart of Kabul has reminded the international community that if the Taliban wants, it can infiltrate and disrupt society, even in the most protected areas. Experts say the attack, though there were relatively few casualties, is worrisome from a psychological perspective. As Hamid Karzai was swearing in members of his cabinet, blasts outside were shining light on an inept government, struggling for legitimacy. NewsHour's Margaret Warner reports.