Frank talks and frustration: How the U.S. got to yes on Abrams tanks

FILE PHOTO: U.S. Army M1A1 Abrams tank fires during NATO enhanced Forward Presence battle group military exercise Crystal Arrow 2021 in Adazi, Latvia March 26, 2021 REUTERS/Ints Kalnins/File Photo

WASHINGTON (Reuters) - They are expensive and hard to maintain. They run on jet fuel. And they are difficult to operate.

The U.S. Pentagon presented its best arguments, publicly and privately, against sending Abrams - its most advanced battle tanks - to Ukraine.