Last month, a 4-year-old Texas student was suspended for hugging a teacher's aide in what school officials called a case of sexual harassment. However, most experts of psychology and law say a child that young cannot commit sex crimes usually reserved for adults. "It's just ridiculous," said Jeanne Milstein, a child advocate for the state of Connecticut. "A 4-year-old has no idea what sexual harassment is." A pre-kindergartner at La Vega Primary School in Bellmead, Texas, near Waco was given an in-school suspension after he allegedly rubbed his face into the bosom of a teacher's aide. The two hugged before...