The Poynter Institute’s Poynteronline today (March 8) posted a piece by retired Mercury News ad manager Lou Alexander (pictured), who describes how he has become an unofficial newsgatherer on the Knight Ridder sale saga for 190 current and retired KR employees who receive his emails. He also relates 10 lessons he’s learned as an Internet commentator/aggregator. [Alexander’s essay “The Accidental Aggregator”] [Alexander’s profile] [Some of Alexander’s commentaries]