On the PBS NewsHour Tonight

On Friday’s NewsHour:

• A meteor rains havoc on a city in Russia, while a huge asteroid rockets past our planet
• The president campaigns to reduce gun violence
• We ask Secretary of Homeland Security Janet Napolitano about threats in cyberspace
• And, Mark Shields and Michael Gerson

Correspondent Ray Suarez has your preview:

While the above promo is written for the radio in the morning, it is a tentative snapshot of what we’re covering on the show. With the ebb and flow of news headlines, chances are segments will be added, scrapped or moved to another night.

Tune in to the broadcast at 6 p.m. ET, online and on-air.

Follow @NewsHour

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