david koenig, thank you for your time on bbc news. let's get some of the day's other news.y of a british iranian dual national sentenced to death in iran have told the bbc that authorities are preparing to execute him. alireza akbari was arrested more than two years ago and accused of spying for the uk, which he denied. the foreign office has urged iran to release him and say they are supporting his family. the man suspected of stabbing six people at a paris train station on wednesday is reported to be a libyan national who was due to be deported he's currently in hospital after being shot as police tried to stop his attacks. police are still investigating the motive although it's not thought to be terror related. damar hamlin has been discharged from hospital nine days after suffering a cardiac arrest during an nfl game. he collapsed during a match between his team the buffalo bills and the cincinnati bengals. doctors said they were confident that he could now be safely discharged. to the conflict in ukraine now, and russia's defence ministry say fighting continues in sole

well, earlier i spoke to associated press airline reporter david koenig and asked what he felt had gonerong. hejoins a smell from he joins a smell from dallas. thank you forjoining us. the faa says the system failure was due to a system failure but there are questions as to why backup systems didn't actually prevent the failure, so where did it all go wrong? that prevent the failure, so where did it all go wrong?— did it all go wrong? that is exactly right. _ did it all go wrong? that is exactly right. that - did it all go wrong? that is exactly right. that is - did it all go wrong? that is exactly right. that is what | did it all go wrong? that is i exactly right. that is what the investigation is hopefully going to answer because it is just an ironclad ruling on aviation that you are supposed to have redundancy, you are not supposed to have what is cold a single window failure wedge is one thing goes wrong and the whole system collapses. the faa is under a lot of pressure to describe why they didn't have a backup system or if they do, why it didn't work. they tried to restart the main

we can now speak to associated press airline reporter david koenig. sfa say the system failure was due to a damaged file. there is lots of questions to our backup system didn't actually prevent the failure —— faa. where did it all go wrong? that is exactly right. that is what the investigation is seeking to answer because there is an ironclad rule in aviation, you are supposed to have a redundancy, not supposed to have a single point of failure arejust one to have a single point of failure are just one thing goes wrong and the whole system collapses. so the faa is under a lot of pressure to describe why they didn't have a backup system, or if they do, why didn't work. they to restart this main system this morning after it went out last night, and that didn't work either, so they have a lot of questions to answer. �* �* they have a lot of questions to answer. ~ ~ _ they have a lot of questions to answer. ~ ~ ,, , they have a lot of questions to answer. ~ ~ _ , ., answer. the faa say there is no evidence of— answer. the faa say there is no evidence of a

year as growth remains good block shares fell by 60% in 2022, and the analyst behind the note, david koenigs now. what changes were the block and investors in 2023? >> thanks, sara. this is a premier growth we think inflation and rates can help the company so there are macrotailwinds for them. >> what about the problems people worry about the downturn in cycle, grow-down in spending. the big exposure what does that look like >> bitcoin is only 4% of gross profit tons of costs around that. what i love is markets can expand meaningfully. their revenue per employee is $500,000 all the companies we cover around that, 40%-plus margin square is only at 15% margins. so we think they have tons of room for market expansion coming up. >> explain the employee ratio to us a little bit more, why it's different. >> yeah, sure. so revenue per employee, it's an important metric for us. when you generate a lot of revenue per employee, that's a lot of yield for each employee you hire generally companies that have a high revenue had very himars gins block does not have the himars gins because they're investin