So many Ghanaians are suffering - Mahama

According to him, every sector of the economy has been poorly managed has adversely affected everything.

Speaking at a press conference Monday afternoon at the Trade Fair in Accra, a few hours after he had filed his nomination papers to lead the party in 2020, he said is battle ready and prepared very well to lead the National Democratic Congress to victory in the 2020 elections.

"I've learnt great many lessons... There is indeed lessons learnt from failure... 

"I pledge to commit myself to party discipline," he added.