Ottawa Citizen: A carbon tax of $30 a tonne, a hike in the newly reduced GST and a higher tax rate for Canada’s wealthiest residents would be part of tomorrow’s federal budget if the Canadian Centre for Policy Alternatives has its way. The left-leaning think tank also says in its alternate budget being issued today that the Conservative government should be prepared to go into deficit if necessary to keep the economy humming in tough times. “If there was a major economic slowdown, then …