"There are important reasons for defendants to be wary that they may have to pay plaintiff's legal fees.  There also are ways that a defendant may -- and may not -- successfully challenge plaintiff's claims for legal fees.... [T]he principal amount at issue is not the only potential loss that is at stake ... It's not hard for plaintiffs to have 'success on the merits' in order to get their fees paid.... Defendants have most success challenging hours billed and certain costs."  MORE >>