- Italians prepare to vote in constitutional referendum
- Reforms would reduce number of senators in upper house of parliament, making it easier to pass laws
- Critics say changes would get rid of an important check on the lower house's power
Ben Wedeman is CNN's Rome-based senior international correspondent. The opinions expressed in this commentary are his.
Rome (CNN)The world as we know it could come to an end this Sunday. Or it could be just another day. It depends on whom you talk to.