David Faber‘s last special, “The Age Of Wal-Mart,” was the most watched documentary in CNBC’s history. “Every time it runs, it gets record ratings, so they keep running it,” Faber said last week. So it’s no surprise that Wednesday night’s premiere of “the eBay Effect” averaged 356,000 total viewers, an increase of 130% above the network’s 2005 time period average. The 11pm reair averaged 325,000 viewers, an increase of 144%. CNBC promoted the premiere pretty heavily…