How airtight is a confidentiality provision in a settlement agreement?   In a recent case out of Florida, the court protected a confidential settlement agreement from disclosure to a remaining party.    Wal-Mart Stores, Inc. v. Nicolette Strachan et al., ___ So. 2d __, 36 Fla. L. Weekly D2262, Case No. 4D11-2539 (Fla. 4th DCA Oct. 12, 2011). However,...