Excerpt: Most of the ideas were floated before credit markets froze and the economy faltered. By the time the Obamas and their new puppy settle into the White House, things could be even worse. Pundits say this could force Obama to shelve his tax plans while he focuses on the economy. 'Most of his tax proposals will be deferred because they don't have a stimulus effect and some of them will make the economy worse,' says Roberton Williams, principal research associate with the nonpartisan Tax Policy Center.  MORE >>