Mr. Obama has dismissed the value of such trips, suggesting they are stage-managed productions designated to obfuscate, not illuminate, the truth… That Mr. Obama apparently doubts his ability to distinguish spin from reality, and to draw bad news out of subordinates, does not bode well for his possible future as our nation’s chief executive. As I’m sure he will discover, if he wins the White House, these are among the most important skills for a president to possess…