However , sources say the discussions are likely to focus heavily on the issue of Libor after King 's deputy Paul Tucker refuted suggestions he leaned on Barclays to lower its rate submissions . Bob Diamond : Comments made at hearing had had `` terribly unfair impact '' upon his reputation . Regulator Adair Turner and former Barclays COO Jerry Del Missier next to testify at US parliament . Regulator Adair Turner and Del Missier stepped down in the wake of the rate-rigging scandal . Barclays was fined a record Â£290 million ( UK a record Â£290 million ) for fixing the interest rate floor .
Bob Diamond : Comments made at hearing had had `` terribly unfair impact '' upon his reputation . Regulator Adair Turner and former Barclays COO Jerry Del Missier next to testify at US parliament . Regulator Adair Turner and Del Missier stepped down in the wake of the rate-rigging scandal . Barclays was fined a record Â£290 million ( UK a record Â£290 million ) for fixing the interest rate floor .