Drilling in the Arctic is like drilling on the moon, according to columnist Liam Denning, who joins us again to talk about his findings on his trip north. Closer to the equator, it's much hotter, and Opinion's Andrea Felsted discusses where folks are going amid the summer travel season. Columnists Faye Flam breaks down the danger of aspartame, and Bobby Ghosh tells us whether he thinks a new cricket league will be successful in the US. Amy Morris hosts.