Double dissolution elections: How they work and why Labor is considering calling one

The federal government has threatened to call a double dissolution if its housing bill is not passed. Is it a political power play, an empty threat, or a legitimate mechanism for resolving a parliamentary deadlock?

Double dissolution elections: How they work and why Labor is considering calling one
The federal government has threatened to call a double dissolution if its housing bill is not passed. Is it a political power play, an empty threat, or a legitimate mechanism for resolving a parliamentary deadlock?