An assembly line of volunteers convened Wednesday evening in Midtown with one goal in mind: arranging 20,000 packs of diapers and sorting thousands of copies of a classic children's book, A Very Hungry Caterpillar. The care packages to be delivered to Bronx families in need. "We add two diapers to make 50," volunteer Calondra McArthur said as she prepared a care package. "We get a book that includes a tip sheet and then we wrap it up tight." Among the volunteers was Chelsea Clinton. The Clinton Foundation was behind the day of action, part of an effort to mobilize people...