► Subscribe to the Financial Times on YouTube: http://bit.ly/FTimeSubs<br /><br />Johnson Controls has proposed a $20bn tie-up with Tyco International which would move the US manufacturer's domicile to Ireland. Lex's Rob Armstrong looks at the logic behind the deal and why these two illogical conglomerates are choosing to merge.<br /><br />For more video content from the Financial Times, visit http://www.FT.com/video<br /><br /><br />Twitter https://twitter.com/ftvideo<br />Facebook https://www.facebook.com/financialtimes
