Are the delinquency triggers embedded in home-equity MBS deals doing a good job of protecting investors? Probably not, say analysts at Credit Suisse First Boston. “The problem with home equity triggers is that there are too many false positives and negatives: deals that fail triggers, yet are performing within expectations and deals that pass triggers, but may be performing worse than expected,” said CSFB Managing Director Rod Dubitsky in a report issued last week.…