“Uno, dos, tres, cuatro, cinco, seis,” Duncan, 2 1/2 years old, chanted in Spanish — counting the bear, birds, trains and other objects pictured on the card in front of him, and looking around for ...

Amy Missoum's toddler daughter can express herself in three languages, and one of them is silent. With her mother speaking English and her father, Samy Missoum, 33, speaking French, sign language ...