The Australian Financial Review | delay on Gay marriage an 'election risk' The Australian Financial Review Liberal Christine Forster, the sister of Tony Abbott, has a warning for her brother the prime minister. Ben Rushton. DEFAULT. Share on twitter · Share on Google Plus. by Primrose Riordan. Deal with gay marriage now or face consequences at the election. Tony Abbott's sister Christine Forster challenges him to allow conscience vote Pro-gay marriage Liberal frontbenchers urged to resign Tony Abbott's Sister Christine Forster Urges PM To Allow Marriage Equality ... |