BROADCASTS.com

b'On today\\u2019s podcast, Cuban biologist study birds with Canadian help; UNESCO honors Poland\\u2019s national dance, the polonaise; we answer a listener\\u2019s question about using \\u201cdo\\u201d for emphasis; then, Mark Twain\\u2019s \\u2018The Celebrated Jumping Frog of Calaveras County\\u2019 on American Stories.'