SBS | Lucy Gichuhi steps out as Liberal senator SBS South Australian Senator Lucy Gichuhi has joined the Liberal Party, reducing the size of the crossbench and boosting the government's numbers. Updated Updated 3 mins ago. South Australian senator Lucy Gichuhi has given the Turnbull government a handy ... 'I can't believe how liberal I am': Independent SA senator joins Liberal party Family First senator in switch to Liberals |