Drugstore chain operator CVS Caremark Corp., the largest provider of prescriptions in the country, said Tuesday that it would acquire Longs Drug Stores Corp. for about $2.6 billion. Under the agreement, CVS would pay $71.50 a share in cash for Longs’ 521 drugstores, which are in California, Hawaii, Nevada and Arizona, as well as its RxAmerica subsidiary, a prescription benefits management program. The combination is a natural, Longs Chief Executive Warren F. Bryant said. For the full story visit www.latimes.com/business/la-fi-longs13-2008aug13,0,2569550.story