Top 10 links on memeorandum according to most number of 'discussion' links-- that is, number of discussions (usually blogged) that are related to a parent story (usually news).
"For McCain, Self-Confidence on Ethics Poses its Own Risk" [McCain and scandals] 219
"Embattled Attorney General Resigns" [Gonzales and scandals] 170
"The Long Run-Up" [McCain and scandal] 119
"US Web Primer Is Said to Reveal a Nuclear Primer" [Iraq and Nukes] 115
"Digging Out More CNN/Youtube Plants" [Youtube politics and staged debates] 115
"Dark Suspicions About the NIE" [Iran and Nukes] 107