LAFAYETTE — The thick courthouse file documenting the federal lawsuit that desegregated St. Mary Parish public schools has grown a little thicker with new filings over the last five weeks. But there’s no outward sign that anything is going on other than an attempt to resolve the 53-year-old federal lawsuit, which has been strangely resistant to resolution. The St. Mary Parish School Board went into closed session at its April meeting to discuss the case but made no public indication of why that discussion was needed. Deuel Ross, an attorney with the NAACP’s Education and Legal Defense Fund in New York, was enrolled ...