Wal-Mart may begin offering the iPad in its stores before the end of the year, according to statements made by a company executive. “We anticipate being able to have the iPad later this year,” Gary Severson, senior vice president of entertainment for Wal-Mart’s U.S. stores, said in a telephone interview with Bloomberg. Severson declined to offer any timing or pricing details. His statement comes as the retailer plans a move to add more consumer…