If you are inerested in the 2 aspects above mentioned, go to Steven Clifts websites, one http://publicus.net, the other http://dowire.org .
He calls himself a public speaker, researcher, and online strategist, focused on e-government and e-democracy.
About UK elections go to http://dowire.org/wiki/UK_elections.
If you are interested in the headlines of his 10 top blogs, go to http://dowire.org/feeds.
His regular newsletter gives many informations in these matters.