TV & radio guide - Tuesday

Taking a Stand (9.00 R4). UN humanitarian aid specialist Charles Petrie talks to Fergal Keane.
A Revolution in Five Acts (11.00 am R4, repeated 9.30). Ian Hislop plus historians on the repeal of the Corn Laws.
The Iron Road (11.30 am R4). The impact of the railway in literature, film and music. Alexei Sayle presents the first in a light-hearted series.
Victorian Love Stories (3.30 R4). George Egerton’s A Little Grey Glove .
File on Four (8.00 R4). The NHS and the private sector – is fraud likely?
Twenty Minutes: A Historian in Russia (8.45 R3, also Wed 8.00, Fri 8.15). Catherine Merridale on death under the Soviet regime, and other matters.
The Challenger (9.00 BBC2). About the space shuttle disaster, 15 years on. Since the same story was told just three years ago in the BBC tv series Disaster , one wonders why money was spent on this straightforward account that contains, as far as I can tell, no new information. Why didn’t the programme use Boston College sociologist Diane Vaughan, whose 1996 book The Challenger Launch Decision offered a new perspective? (See THES interview " Risk in the Rules ", March 22 1996).
Whitbread Book Awards (9.50 BBC2). Live coverage of this year's ceremony.
Boys from the Black Stuff (10.00 UK Drama, also Wed, Thurs, Fri). Re-run of the Alan Bleasdale classic series from the 1980s.
Boston Law (10.35 BBC1 – 11.15 in Wales; also Wednesday 10.35 – 11.05 in N. Ireland and Wales). More behind-the-scenes stuff from the Massachusetts courts.