Another federal judge has struck down a state ban on same-sex marriage under equal protection grounds, this time in Wisconsin. The Texas state Republican convention this weekend apparently featured a Davy Crockett impersonator who called for the overthrow of President Obama and the federal government. European mobile phone giant Vodafone says six countries used its networks to wiretap and record customer calls, prompting anger across Europe and Asia. Transport company Uber has managed to set a record for start-up funding, hitting $17 billion on a new round of funding this week. The CIA is now on Twitter, officially, and its first tweet was "We can neither confirm nor deny that this is our first tweet."