Some schoolchildren stood and recited the oath along with the new president. Others shouted "Amen" at the end of the invocation. But perhaps no school in the country celebrated the historic inauguration of the nation's 44th president with more enthusiasm than the hundreds of students at the newly renamed Barack Obama Elementary School in Hempstead, Long Island. "I was just speechless. I don't even have the words to explain the feelings," said Principal Jean Bligen, who won tickets to the inauguration in a lottery, but decided the only place she wanted to be Tuesday was with her students. "It was...