Political campaigners often lament the sometimes relentless and unfiltered criticisms posted by political bloggers during election season. But Thursday a post on right-leaning political blog HubPolitics.com prompted Christy Mihos campaign staffers to lodge a complaint with the site’s Web host resulting in the bloggers being warned to tone down or be shut down. “They made a claim that they were libeled by our Web site,” said Matt Margolis, who runs the site with his brother Aaron. The post in question pointed out that a Web site used by Mihos’ campaign is registered to Mihos’ convenience store company, Christy’s of Cape...