By our informal online sales monitoring at Amazon and BN.com, the Obama Book Club recommendations continue to outpace Wednesday night’s National Book Award winners: Doris Kearns Goodwin: 14/17Tom Daschle: 18/49Jonathan Alter: 73/126 with Peter Mathiessen’s Shadow Country the closest contender. But, as more than one observer has pointed out via e-mail, the starting bar for…