LUTHER BURBANK ON CROSSCURRENTS, 3/7:  A botanist pioneering agricultural science, Luther Burbank was born on this date in 1849.  Gavin and Wyatt plant themselves at Burbank’s home garden as John cultivates a musical crop on the KRNN farm.  We hope the Luther Burbank birthday grows on you as it sprouts on Crosscurrents, 3/7 at 8 a.m.