crafted by the head baker of the naval armed forces, it's made up of a classic british fruit cake with cream cheese frosting. bidding will start at $1100. >> how high do you think it will go? it's a piece of history? >> if you love "star wars" and happen to find yourself in paris, you're in luck. you can attend a light saber academy and become a jedi master. students learn a combination of fencing and martial arts. tonight, president obama joins bear grylls in a trek across the alaskan wilderness. the two will battle the elements while observing firsthand the effects of climate change. here's a sneak peek. >> as president, i am in what's called the bubble. and secret service makes sure that i'm always out of danger, which i very much appreciate but it can be a little confining. every once in awhile, if i do something unexpected, the phrase we use is that the bear is loose. so to be with bear in the woods, it doesn't get any better than that. >> running wild with bear grylls and president barack obama airs