Yesterday's killing of six people at a Sikh temple in Oak Creek, Wisconsin has reverberations in Southern California, where many Sikhs live and worship. Because many men wear turbans, they're often mistaken for Muslims, especially since September 11. What's their reaction to yesterday's atrocity? Why is it against their religion to shut their doors, even in the interests of security? On our rebroadcast of today's To the Point, algorithms on Wall Street -- and in the rest of our lives, and a historic landing begins a historic mission for Curiosity on Mars.
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