What happened to the Liberal Party of Menzies?

The federal election has been said to have plunged the Liberal Party into an 'existential crisis', after it lost a number of its heartland seats. In this discussion we go right back to 1944 to look at the party that Sir Robert Menzies founded, to discover where and how the Liberal Party has strayed from its roots, and what the future might hold for Australia's most successful political party.