Somehow the '60s British boy band, The Beatles, has managed to stand the test of time. Having lived through the "American Invasion," baby boomers, many now grandparents, used to scream and even cry at the site of the bowl cut lads. Now, their spawn can enjoy the legacy of the pop band, too. The Bingo Kids Sing Beatles Hits for Kids ($15) on a CD featuring the 15 sing-along-songs such as "She Read more