By Kathleen McGrory, The Miami Herald Feb. 12--jump art of Randolph Chancy When Randolph Chancy took a job with Miami-Dade County Public Schools last year, he expected teaching would be a labor of love. But he wasn't prepared for just how much labor would be required.

By Kathleen McGrory, The Miami Herald Feb. 11--When Randolph Chancy took a job with Miami-Dade County public schools last year, he expected teaching would be a labor of love. But he wasn't prepared for just how much labor would be required.