The following commentary comes from an independent investor or market observer as part of TheStreet's guest contributor program, which is separate from the company's news coverage.NEW YORK ( TheStreet) -- President Obama's approval numbers, especially those singling out his leadership in the war on terror, rose dramatically following the killing of of Osama bin Laden. But what this sudden spike in favorability doesn't take into account is that leadership isn't about a quick, isolated victory. Taking out the world's most wanted terrorist took years of consistent focus and months of planning. It took courageous yet judicious risk-taking. This pragmatic approach is a hallmark of crisis leadership.