Winnipeg Free Press By: Martin Kramer Save to Read Later LAST month, the Pallister government unveiled Bill 57, the Protection of Critical Infrastructure Act. Following the lead of several American states and the province of Alberta, Bill 57 would limit protests on and around so-called critical infrastructure. Opinion LAST month, the Pallister government unveiled Bill 57, the Protection of Critical Infrastructure Act. Following the lead of several American states and the province of Alberta, Bill 57 would limit protests on and around so-called critical infrastructure. Alberta’s legislation creates offences out of a range of activities, from interrupting the work of an oil sands operation to "wilfully entering" public roads "without lawful right, justification or excuse." Penalties include $10,000 fines and imprisonment for six months on a first offence. Not surprisingly, the Alberta law is already facing a challenge under the Canadian Charter of Rights and Freedoms.