Exclusive: US investigators were told to take 'no further action' on Caterpillar, ex-client of Barr - the IRS was demanding $2.3billion related to criminal tax investigation but before Barr was confirmed the case against Caterpillar stalled, by @AramRostonhttps://t.co/CC06vHeJ9l
— Wendy Siegelman (@WendySiegelman) November 18, 2020
