getting a shorter stem, do I need wider bars?

Hi folks, I`m getting a shorter stem for my Dawg deluxe fs. It was originally on a 110mm stem with a 680mm bar but I`m seeing a lot of bikes now with really short stems and wider bars. I`ve ordered a 70mm stem from carbon cycles to try and was wondering if I need to mate it with a wider bar and if so what should i expect from the handling with said wider bar? I`m rather looking forward to being able to move around the bike a bit more rather than the feeling of being stretched out 
Lee

Lee
My 2012 Cube LTD http://www.bikeradar.com/forum/viewtopic.php?t=12803593
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Just be warned, them gates that used to be a bit of a squeeze wont be so much fun anymore :twisted:
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As others have said wide bars are a matter of personal preference but what you should be looking for is a bar that still allows you to flex your elbows and move about easily while riding.