Age: SOUTH Australian independent Nick Xenophon will use his pivotal Senate vote to pressure the Federal Government to come up with water to save the Murray River’s embattled lower lakes, its mouth and the Coorong. Speaking at a protest meeting yesterday in the Murray River town of Goolwa, where about 2000 people observed a minute’s silence for a river system dying from the bottom up, Senator Xenophon challenged federal Water Minister Penny Wong’s recent assertion that no extra water could …