On Friday's AM: Donald Trump announces that the United States will withdraw from the Paris climate accord on cutting carbon emissions; Senate estimates hears that 42 million calls to Centrelink received an engaged signal in the first 10 months of this financial year; and, as Australia ranks 50th in the world for representation of women in Parliament, AM speaks to aspiring future leaders in Melbourne at the Pathways to Politics launch. This is an early edition of AM. The complete 30 minute edition will be available for download at 9am.