The meaning of Mischief - playful, reckless... But say the word 'Mischief' around a theatre fan and your brain is filled with images of silliness, calamity, clever funny wordplay, things going wrong and the ever growing portfolio of hit productions from one of the most successful and popular theatre companies around. With their flagship show 'The Play That Goes Wrong' having just welcomed its 13th cast, 'The Comedy About Spies' returning to London for a second run, 'Christmas