scotland's education secretary, john swinney, will explain today how he will address problems with the way school pupils were awarded grades this year, in the absence of exams. the first minister, nicola sturgeon, has apologised after the marks given to pupils were based partly on the past performance of their schools. the process meant that 125,000 results were downgraded. alexandra mackenzie reports. 16—year—old 0livia thought she was on track to study medicine. she got five as in her higher prelims, but those were not the results awarded by the sqa. instead she received two as and three bs. i wasn't really nervous at all because i kind of knew what i was expected to get, and then i got my results and i was completely devastated. i was heartbroken. literally i was, like, i thought my dreams were crushed. as the first minister visited a west lothian school, the education