ben rnanke acknowledginghat many membersrs of coress have been saying for some time which is the spendingststainable.e. >> the message was -- look, taxes and spending have not lilined up the way they need to. over the course of 20 years to 30 years, that translatetes to bad news for our deficit. >> in the midst of l ofof these numberers, there was a l lot of giddiness aboutut facebook thihis week. everybybody loving the ideaea of the guy who spray-paiainted the graffiti art on facebook's offices in exchahange for sck is now worth $200 million. >> a lot o of it stemsrom the fact thahat facebook turned out too be a very help the company. about a billion dollars and earnings last year $3.7 billion in revenue. that is a very sol company. there is a question of whether that justifies a $100 billion compan >> the valuation. $1$100 billionoes seem excessive. google's earnings are 10 times that of facebooook. are we getting ahead of ourselves?s? >> the gogoog comparirison is unfavorable for facebook. $100 bilon would imply that there is a lot of growth that facebobook has to . >>>> and it does no