Not that many Americans read for pleasure - but the ones who do, buy books. By conservative estimates, there are nearly 150,000 new titles every year hitting bookstores. A review can lift one book above the fray -- so you can imagine how desperately publishers want those spots. Kirkus Reviews, a trade journal known for tough, pre-publication reviews, has a new plan to cash in on that desire. Alisa Roth reports from New York.