Tooth decay is the single most common chronic disease among Idaho children, but many families earn too much money to qualify for government assistance and still can't afford dental coverage for their kids. "I got an application in today -- they made $2,000 more than what CHIP (Children's Health Insurance Program) would allow, so they're just kind of stuck in the middle," said Kathy Ellis, Idaho coordinator of the Caring Foundation for Children. The Caring Foundation, administered by the health insurer Regence BlueShield of Idaho, gives kids from that middle no-insurance zone free dental care, up to $1,000 worth for...