SYDNEY, AUSTRALIA - JUNE 19: Former prime ministers Bob Hawke, Paul Keating and Julia Gillard wait for Leader of the Opposition Bill Shorten at the Labor campaign launch at the Joan Sutherland Performing Arts Centre as part of the 2016 election campaign on June 19, 2016 in Penrith, Sydney, Australia. (Photo by Mick Tsikas-Pool/Getty Images)
