WASHINGTON – Arizona lawmakers split straight down party lines Wednesday as the House voted to repeal the Patient Protection and Affordable Care Act, less than two weeks after it was upheld by the Supreme Court.

At first glance, a newcomer to Twitter may think many politicians have lost their minds. Their tweets can be outlandish, contain poor grammar and are often filled with ridiculous positions on policy issues.

But it’s all by design. And it’s often not actually the real politician doing the tweeting.

In a strongly-worded letter to U.S. Immigration and Customs Enforcement, Arizona’s Republican congressmen characterized the Obama administration’s decision to sever immigration enforcement agreements with local police agencies a “declaration of war against Arizona.”

On the face of it, there is little that separates U.S. Reps. Ben Quayle and David Schweikert on policy matters, and both have maintained fairly conservative voting records. But the two freshmen GOP congressmen, who are battling in Arizona’s 6th Congressional District, say there are important distinctions on where they stand on several key issues.

A long-anticipated shoe dropped in Arizona’s 6th Congressional District, escalating the intraparty battle between U.S. Reps. Ben Quayle and David Schweikert.

The GOP primary between Quayle and Schweikert for CD6 hasn’t gotten nasty — yet.

This week's most outstanding quips, gibes and utterances.

Santa Cruz County Sheriff Tony Estrada is only half-joking when he describes the problem of border-smuggling tunnels that criss-cross under the streets of Nogales.

The website Politwoops launched this week as a way to catch politicians with their pants down, by cataloguing and posting deleted Twitter tweets of congressmen, the president and presidential hopefuls.

The fight against border drug trafficking must address reducing demand, federal and Arizona law enforcement officials told a congressional panel in Phoenix.