Nation

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MANY TRAVELERS FOREGO NATIONAL OPT-OUT DAY | Traveling was easier than expected at the major airports on one of the busiest days of the year. Few fliers opted for a pat-down instead of a full-body scan--a relief for many after…

NORTH KOREAN ARTILLERY ATTACK | North Korea's shelling of Yeonpyeong island killed two South Korean marines and led to an exchange of fire between the two countries. Jim Lehrer gets more on the tense standoff from Victor Cha, former…