When he was four years old, he got eyeglasses to correct the problem.

VOA: special.2010.05.30

An old problem is getting new attention in the United States: bullying.

VOA: special.2010.04.22

But his mother's claim that he is a 16-year-old juvenile could pose a problem for prosecutors seeking the maximum sentence of life imprisonment.

VOA: standard.2009.04.22

"It is an age-old problem in politics, where in general in American politics, the candidate who appeals most to the most fervent members of the party wins the primary and then often has a very difficult time appealing to the broader electorate."

VOA: standard.2010.05.19