Lockerbie families still seek answers from Libya

Un policía pasa frente a los restos del avión de Pan Am en Lockerbie, Escocia, el 21 de diciembre de 1988. Abdel Baset al-Megrahi, un libio encontrado culpable del atentado donde murieron 270 personas, murió a los 60 años debido al cáncer, se informó el domingo 20 de abril de 2012. (Foto AP/Martin Cleaver, Archivo)

For relatives of the people who died in the Lockerbie bombing, the death Sunday of the only man who was convicted stirred up questions once again about his guilt and whether others went unpunished.

Lockerbie families still seek answers from Libya

Un policía pasa frente a los restos del avión de Pan Am en Lockerbie, Escocia, el 21 de diciembre de 1988. Abdel Baset al-Megrahi, un libio encontrado culpable del atentado donde murieron 270 personas, murió a los 60 años debido al cáncer, se informó el domingo 20 de abril de 2012. (Foto AP/Martin Cleaver, Archivo)

For relatives of the people who died in the Lockerbie bombing, the death Sunday of the only man who was convicted stirred up questions once again about his guilt and whether others went unpunished.

Lockerbie families still seek answers from Libya

Un policía pasa frente a los restos del avión de Pan Am en Lockerbie, Escocia, el 21 de diciembre de 1988. Abdel Baset al-Megrahi, un libio encontrado culpable del atentado donde murieron 270 personas, murió a los 60 años debido al cáncer, se informó el domingo 20 de abril de 2012. (Foto AP/Martin Cleaver, Archivo)

For relatives of the people who died in the Lockerbie bombing, the death Sunday of the only man who was convicted stirred up questions once again about his guilt and whether others went unpunished.

Thousands march through Chicago to NATO summit

Demonstrators flow out of Grant Park in Chicago during this weekend

Thousands of protesters marched through downtown Chicago on Sunday in one of the city's largest demonstrations in years, airing grievances about war, climate change and a wide range of other complaints as world leaders assembled for a NATO summit.

Lockerbie families still seek answers from Libya

Un policía pasa frente a los restos del avión de Pan Am en Lockerbie, Escocia, el 21 de diciembre de 1988. Abdel Baset al-Megrahi, un libio encontrado culpable del atentado donde murieron 270 personas, murió a los 60 años debido al cáncer, se informó el domingo 20 de abril de 2012. (Foto AP/Martin Cleaver, Archivo)

For relatives of the people who died in the Lockerbie bombing, the death Sunday of the only man who was convicted stirred up questions once again about his guilt and whether others went unpunished.

Lockerbie families still seek answers from Libya

Un policía pasa frente a los restos del avión de Pan Am en Lockerbie, Escocia, el 21 de diciembre de 1988. Abdel Baset al-Megrahi, un libio encontrado culpable del atentado donde murieron 270 personas, murió a los 60 años debido al cáncer, se informó el domingo 20 de abril de 2012. (Foto AP/Martin Cleaver, Archivo)

For relatives of the people who died in the Lockerbie bombing, the death Sunday of the only man who was convicted stirred up questions once again about his guilt and whether others went unpunished.

Lockerbie families still seek answers from Libya

Un policía pasa frente a los restos del avión de Pan Am en Lockerbie, Escocia, el 21 de diciembre de 1988. Abdel Baset al-Megrahi, un libio encontrado culpable del atentado donde murieron 270 personas, murió a los 60 años debido al cáncer, se informó el domingo 20 de abril de 2012. (Foto AP/Martin Cleaver, Archivo)

For relatives of the people who died in the Lockerbie bombing, the death Sunday of the only man who was convicted stirred up questions once again about his guilt and whether others went unpunished.

Screening for Lung Cancer Might Benefit Those at Highest Risk

SUNDAY, May 20 (HealthDay News) -- Using low-dose CT scans to screen for lung cancer might save the lives of patients at the greatest risk for the disease, a new analysis suggests.

Lockerbie families still seek answers from Libya

Un policía pasa frente a los restos del avión de Pan Am en Lockerbie, Escocia, el 21 de diciembre de 1988. Abdel Baset al-Megrahi, un libio encontrado culpable del atentado donde murieron 270 personas, murió a los 60 años debido al cáncer, se informó el domingo 20 de abril de 2012. (Foto AP/Martin Cleaver, Archivo)

For relatives of the people who died in the Lockerbie bombing, the death Sunday of the only man who was convicted stirred up questions once again about his guilt and whether others went unpunished.

Screening for Lung Cancer Might Benefit Those at Highest Risk

SUNDAY, May 20 (HealthDay News) -- Using low-dose CT scans to screen for lung cancer might save the lives of patients at the greatest risk for the disease, a new analysis suggests.