Hello, i'm will perry from the bbc sport centre. we start with britain'sjosh kerr who stunned norway's olympic champion yakob ingebrigtsen to take gold in the 1500m at the world athletics championships in budapest. kerr clocked a season's best three minutes and 29 seconds to make his first podium at a worlds. it comes one year after ingebrigtsen was beaten by britain's jake wightman in similar circumstances in eugene. you know, ithink, in your sporting career, you are always defined on your best performances. and i knew, in my career, i would probably be defined by 3.5 minutes. and if that wer...