AUSTRALIA risked being 'swamped' by asylum-seekers, the Federal Opposition warned, if boat arrivals continued at their current rate, with three arriving this week alone. The interception of a third vessel in a week prompted the coalition to suggest there was a risk up to 10,000 asylum-seekers could start heading to Australia by boat each year. The Australian Greens accused the Opposition of dog-whistle politics. "The unfortunate thing here is the Howard government did make some capital out of dog-whistling on refugees seeking asylum in this country," Greens leader Bob Brown told reporters. "The whistle now has to get a bit...