Good morning and welcome to our live coverage of Grand National day at Aintree, with 34 runners going to post for the world’s most famous steeplechase. With less punishing obstacles and a field full of contenders with Grade One form, the race’s complexion has changed over the last few decades but interest levels remain as high as ever. There is nowhere else to start than with JP McManus’ green-and-gold battalion; the Irish owner accounts for four of the top six horses in the betting market. I Am Maximus evidently has the class and course form having finished first and second in each of the last two Nationals, with Willie Mullins’ top jockey Paul Townend on board. However, he carries top weight which could prove difficult to overcome in a field with such depth. Punters have followed Jagwar over cliffs, he is a horse with so much ability but a horrible habit of finishing second, notably to fellow McManus horse Johnnywho in the Ultima Handicap Chase at Cheltenham. Iroko finished in midfield in that race, but …