Allegations about Facebook’s misuse of data have raised new and deeply disturbing questions. Ministers must not be complacent about the potential impact, writes Lord Tyler

The duty to ‘Do No Harm’ will set the standard by which freedom to trade versus public health is balanced after we leave the EU, argues Lord Warner

From tackling climate change to defending the international order from the threats of terrorism and cyber-attack, the Commonwealth is uniquely placed to play a leading role in addressing the great global challenges of our time, writes Theresa May

The sudden rise in mortality rates and fall in life expectancy looks unnatural. It is simply inconceivable that the state of our public realm had nothing to do with it, says Louise Haigh

Co-operation across the Commonwealth marks a huge opportunity to improve how we treat refugees across the world, writes Thangam Debbonaire

India is prepared to step up to the plate and help re-energise the Commonwealth. But it must meet the needs and aspirations of all members, writes Y.K. Sinha

MPs do not have the secret intelligence, the military assessments, nor the legal advice which is available to the Prime Minister. If she decides to take action, she should not shield her decision by seeking a Parliamentary vote, writes James Gray

Thousands of people work in the Palace of Westminster to keep the heart of our democracy beating. In the first of a new series, we hear from locksmith Peter Wosahlo on managing the estimated 25,000 locks on the Estate 

The traumatic pictures coming out of Syria have reignited the charged debate about foreign intervention. Labour’s Kate Osamor has been wrestling to try and find the right answer – but believes Bashar al-Assad must be “removed” if found to have carried out a chemical weapons attack on his own people. And as world leaders gather in London for CHOGM, the Shadow International Development Secretary is pushing to make sure human rights remain firmly on the agenda. She talks to Emilio Casalicchio

The Commonwealth has never been more important than it is today – but it must be about far more than securing post-Brexit trade. If we are to address the great challenges facing each of our nations, Theresa May has to listen to our partners. She can begin by atoning for the UK’s historic mistakes, writes Emily Thornberry

The House magazine is delighted to bring you our essential guide to the work of Select Committees, featuring exclusive contributions from the chairs of the 30 most influential committees in the Commons 

The Palace of Westminster is recruiting a team of new, professional tour guides. Here’s how MPs can help