The following list comes from an email sent out by Arianna Huffington this week, noting the priority of American TV’s news organizations:

Here are the number of news segments that mention these stories: (from a search of the main news networks' transcripts from May 1-June 20).

ABC News: "Downing Street Memo": 0 segments; "Natalee Holloway":42 segments; "Michael Jackson": 121 segments.

CBS News: "Downing Street Memo": 0 segments; "Natalee Holloway": 70 segments; "Michael Jackson": 235 segments.

NBC News: "Downing Street Memo": 6 segments; "Natalee Holloway": 62 segments; "Michael Jackson": 109 segments.

CNN: "Downing Street Memo": 30 segments; "Natalee Holloway": 294 segments; "Michael Jackson": 633 segments.

Fox News: "Downing Street Memo": 10 segments; "Natalee Holloway": 148 segments; Michael Jackson": 286 segments.

MSNBC: "Downing Street Memo": 10 segments; "Natalee Holloway": 30 segments; "Michael Jackson": 106 segments.