One of these MPs , Eric Joyce , said that Brown 's future hinged on his performance at the upcoming Labour Party conference .
In an unrelated incident , 12 backbenchers signed a letter criticising Brown that was published in Progress magazine .
One of these MPs , Eric Joyce , said that Brown 's future hinged on Brown 's performance at the upcoming Labour Party conference .
In an unrelated incident , 12 backbenchers signed a letter criticising Brown that was published in Progress magazine .