Lords, tax credits and those point-scoring Lib Dems

Confused as to why a debate on tax credits has become one centred on the very British constitution itself? You’re in good company, so here’s a rather excellent guide to help you understand it.
With that out of the way, we should be absolutely clear that if a fatal motion succeeds against the statutory instrument through which the Conservative government seeks to implement its tax credit changes, it will raise serious questions about the political legitimacy of the House of Lords.