James Clark is seeking to challenge the Labour leader's 2017 majority of 33,215.
Bob Thomson said he would take a punch in the face every day if it meant Jeremy Corbyn getting into power - but warned of the "nasty" political climate.
The Labour leader presented a 451-page document covering six rounds of government talks with the US between 2017 and earlier this year.
The Labour Party has lost support in many towns in the north of England, according to a poll.
Michael Mansfield QC will say that companies should be punished for the crime of 'ecocide'.
The Labour leader's approval rating from his own party members has fallen dramatically, the YouGov poll said.
Senior Labour figures are accused of interfering with the disciplinary process investigating claims of anti-Semitism.
Labour Party leader Jeremy Corbyn wished grime artist Stormzy luck ahead of his headline performances at Glastonbury this weekend.