Five TV shows for the week ahead: Michael Collins' love letters, and the tale of two men's tax-inspired marriage 

... also a feature on a Cork farmer doing his bit for the birds, and a documentary on Dolly Parton 

Let The Rest Of The World Go features  Matt Murphy and Michael O'Sullivan, on RTÉ One on Monday. 

Monday: Let The Rest Of The World Go By 

 A documentary on Matt Murphy and Michael O’Sullivan, the two friends who got married in order to get around the regulations on inheritance tax.