Guest: Caitlin McNally, documentary filmmaker

McDonald's is asking MySpace users to create a new jingle for its signature Big Mac sandwich. Will the new tune find a place among these classics?

Joss Whedon ("Buffy the Vampire Slayer") and Seth MacFarlane ("Family Guy"), two of television's most powerful showrunners, are taking their brands online. Whedon's "Dr. Horrible" will be an on-the-cheap supervillain musical. MacFarlane's "Cavalcade of Cartoon Comedy" will be distributed by the advertising juggernaut Google, who just might be reinventing TV...

Terence Wrong is the producer and executive producer of the ABC News documentary series "Hopkins," which gives viewers an intimate look at life and death and work inside Baltimore's John Hopkins Hospital. The six-part program was shot over four months, and premieres Thursday night.

Tony Schwartz is a former WNYC host and creator of 1964's "Daisy" ad, the first television spot to change the national political conversation. Schwartz died on Sunday at the age of 84. The Takeaway looks at his successors and how they've affected election campaigns.