A. This guys a dumbass B. This guy's a liar or C. This guy's a lying dumbass

Mr Tucker said he could not be sure that abuse of the Libor system is not continuing to this day, telling the committee: “I can't be confident of anything after learning of this cesspit.”
The Libor scandal could be repeated in a number of other “self-certifying” markets where prices are determined, he said.
“Self-certification is clearly open to abuse, so this could occur elsewhere,” he said
“We thought it was a malfunctioning market, not a dishonest market,” he said.
“We made a judgement that moving away from the existing method of self-certification was just not feasible during a financial crisis”.