People walk past the “Bali” sign at the island's Denpasar International Airport on June 25. Foreign visitor numbers to Indonesia's premier tourist destination have held up this year but there are more Asians and fewer Europeans. (Photo by Ken Kobayashi) Hello from Tokyo. It's hard to believe, but we're already in July, and many of our readers should be planning their vacations. However, the instability in the Middle East is making travel planning particularly challenging this year. Although the United States and Iran signed a memorandum aimed at ending hostilities, the two countries clashed again on Tuesday. Energy prices remain high and airfares continue to rise.When I went to London on business early last month, my flight, which is already a long one from Tokyo, took even longer because