Rachel Reeves will today present her second Spring Statement as Chancellor. The Labour frontbencher is set to present her forecast against alarming turbulance in the Middle East following strikes on Iran. Government insiders have repeatedly stressed there will be no policy announcements, and Ms Reeves will not be tempted to pull any rabbits out of a hat. It is expected, sources say, that she will only be at the dispatch box for around half an hour. During that time she will pick through