By JONNA KNAPPENBERGER, Scripps Howard Foundation Wire

WASHINGTON -- Thousands of people each year send in their income taxes only to be told by the Internal Revenue Service that they have already filed.

It is not a welcome surprise. It is identity theft.

WASHINGTON -- Of all the things that affect American students' productivity, scientists say the culprit is a simple combination: sleep deprivation and absence of a midday siesta.

WASHINGTON -- Hip-hop may not be what visitors to art museums expect to hear -- or see.

Yet, the music and the visual art it inspires have come to the Smithsonian's National Portrait Gallery in an exhibit that combines portrait art with the influence of hip-hop, affirming that both are alive and vibrant.