guy lebas from montgomery, michael purves from weeden and company, priya misra from td securities.ies, twos, tens, and 30's through the week. yields up on the front-end by a single basis point to 250 on a u.s. 10 year and unchanged at the longer and. still ahead, the final spread. the week ahead featuring the bank of england and mark carney. that conversation is next. this is "bloomberg real yield." ♪ ♪ jonathan: i'm jonathan ferro, this is "bloomberg real yield." time for the final spread. next week, nafta talks resuming in washington, d.c., bank of england out with a policy decision and inflation report, plus a news conference from governor mark carney. we get u.s. ppi data and await a decision from president trump in regard to the iranian nuclear deal. still with me, michael purves from weeden and company, priya misra from td securities, and guy lebas from montgomery. a big week for issuance coming up. a failed you define auction and will we get one in the treasury market? it wasn't until later this week when blackrock brought the subject up to me. how would you define it and ar