My wife, Shirley, and I are reminded of the 1969 comedy film "If It's Tuesday, This Must Be Belgium," humorously depicting the whirlwind nature of European tour schedules. One could say, "If It's Tuesday, This Must Be Jerusalem," if one was part of Sen. [Barack] Obama's [recent] whirlwind tour of the known world, that makes him an expert on world affairs and on the Arab-Israeli conflict, as well as presidential. Dr. Howard Barsky, Margate City