LOS ANGELES (Reuters) - Former "American Idol" runner-up Adam Lambert pushed his fellow "Idol" alum off the top spot of the Billboard 200 chart on Wednesday to score his first No. 1 album with "Trespassing." Lambert's second studio album sold 77,000 copies in its first week, a significantly lower debut than Underwood's "Blown Away" debut two weeks ago, which sold 267,000 copies to score the top spot on the chart. "Blown Away" fell to No. 3 this week, behind Adele's juggernaut "21," which added a further 63,000 copies to its phenomenal sales record this week. ...