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The World Science Festival kicks off this week, so actor and science enthusiast Alan Alda and festival co-founder Brian Greene preview some of their favorite events. Plus: a look at a... (episode)
<p>Fred Kaplan says at West Point, President Obama did something that perhaps no other president has: made clear when and how he would use force and when he would not.</p>
In "Dear Albert" - a staged reading of letters written by Albert Einstein - you get an impression of a man grappling with big ideas...and a complicated love-life. Alan Alda, actor and...