With 1980's Borderline, Ry Cooder followed the foray into R&B & soul of his previous effort, Bop Till You Drop, but this time out with a little shot of the Southwest thrown in. At the same time, he also continues the primarily electric sound of that record. As far as his selection of material goes, Borderline may sometimes lack the surprising, esoteric charm of his earlier recordings, but there are still some terrific finds, including the Tex-Mex-flavored " The Girls from Texas, which may be t