Waleed Aly on the shifting political order

<p>Last weekend&rsquo;s South Australian election wasn&rsquo;t just a wipeout for the Liberals and triumph for Labor, it was a sign that political discontent is beginning to find a new home in an old brand: One Nation.</p> <p>Pauline Hanson&rsquo;s party showed just how much room there is for anger on the right in a traditionally progressive state. But the rise in One Nation&rsquo;s popularity isn&rsquo;t just contained to SA. Nationally and in states like Victoria discontent is growing and the far …