Beyonce scores her third straight No. 1 debut on the Billboard 200 this week as the double-disc I Am … Sasha Fierce (Music World/Columbia) shifts a whopping 502,000 copies in the United States, according to Nielsen SoundScan. The album, split between material credited to Beyonce and her new alter-ego Sasha Fierce, has already spawned the hits If I Were a Boy and Single Ladies. Beyonce’s 2003 solo debut, Dangerously in Love, started with 317,000, while 2006’s B-Day moved 541,000.
