ABC News' Rick Klein Reports: With debate raging in Washington over children's health insurance, congressional Democrats found a new way to make their case for an expansion last weekend: Rather than have a senator or a congressman respond to President Bush's weekly radio address, they decided to have a child who was helped by the program speak directly to the public. But the 12-year-old boy whom Democrats chose as their poster child is now at the center of a firestorm in Washington and beyond. Conservative bloggers who uncovered some details of the family's finances are blasting the family, calling the...