HANGING ROCK, Ohio - Democrat Hillary Rodham Clinton offered a plan to improve childhood nutrition and set a goal to reduce by half the 12 million youngsters living in poverty over the next dozen years. The package of proposals includes a "comprehensive" early education initiative that starts with nurse's visits for pregnant women, lets children begin the Head Start program earlier and calls for universal pre-kindergarten programs. The New York senator also says she would deal with childhood hunger by putting in place a food safety net, and give children "greater access to healthy, fresh food." She spelled out her...