How to space text within post

Hi all

You can see on this page the text is squashed together: http://www.thebreadcrumbtrail.org/links

I read somewhere that if you double space lines, WordPress detects this and automatically puts in a break, but this doesn’t work for me.

I don’t want to have to go through every line and add a page break. Which doesn’t look very good anyway.

Any ideas?

Thanks

James