Mark Kegans for The New York TimesTHEY'RE QUIRKY, AND THEY VOTE A dome in Fairfield, Iowa, where residents meditate. They overwhelmingly support Dennis Kucinich, who leads Democrats there. AIRFIELD, IowaIn this little pocket of Iowa, houses are built to face the rising sun, something called yogic flying is a popular pastime and Dennis J. Kucinich is a leading candidate for the Democratic presidential nomination.Even as much of the country still struggles to pronounce his name (it's koo-SIN-itch), Mr. Kucinich has become a phenomenon in Fairfield, population 9,500. His proposals to promote world peace, universal health care and environmental sustainability...