Kamala Harris endorsed by Joe Biden as presidential candidate

Joe Biden has thrown his support behind his deputy Kamala Harris, just 106 days out from the US Presidential election. The 81 year old announced in a shock written statement this morning, he would not be accepting the Democrat nomination. He said it had been 'the greatest honour' to serve his country but withdrawing from the race is 'in the best interest of my party and the country,' CNN's Brian Abel speaks to Susana Lei'ataua.