A rundown of stories from Wednesday 12 June including programme highlights and comment.
Insight, analysis and expert debate as key policy makers are challenged on the latest news stories.
Wednesday 12 June
Turkish police have removed protesters from Istanbul's Taksim Square after another night of clashes. The rail regulator wants Network Rail to run its next five year plan for £2 billion less than the £23 billion it proposed. And we'll learn today how e-cigarettes are to be licensed in the UK.
0900Our editors this morning were John Shields and Sareen Bains. Coming up next on Radio 4, Mariella Frostrup presents Midweek with guests including Ruby Wax.We're back from 0600 tomorrow - have a good morning.
The EU says it will demand assurances that Europeans are not having their rights infringed by a massive Internet surveillance programme run by the United States. Major General Jonathan Shaw, former head of cyber security at the Ministry of Defence, and Heath Brooke, author of The Revolution Will Be Digitised, discuss the it is still possible to keep a state secret.
0845Fifty years ago the conservationist Rachel Carson imagined a world without birdsong in her book The Silent Spring, which played an important part in establishing the environmental movement in the United States and beyond. The book has inspired the birdsong theme for this year's East Neuk festival - which takes place in villages near St Andrews in Fife at the beginning of next month. One highlight of the festival will be the UK premiere of a new work - Inuksuit - by the distinguished American composer John Luther Adams. Huw Williams reports.
0832The energy regulator Ofgem has set out plans to "break the stranglehold of the big six energy suppliers". The measures require large suppliers and generators to trade fairly with smaller players or face cash penalties. The 'big six' will also have to post the prices at which they will buy and sell electricity up to two years in advance.