“I'm going to more or less abandon politics on Twitter,” he wrote. “It's not the right medium. ... So, while I will certainly continue to talk politics and issues wherever I can and with all who will graciously join me, I will not do it on Twitter anymore.”

But on Friday, he was still at it, responding to the afternoon release of Romney’s 2011 tax returns.

“For those that have taken offense at my political expression — I am truly sorry,” he wrote on Thursday. “I don't look to offend though sometimes my emotions run high just like everyone else’s. And sometimes my sense of irony or humor doesn't jibe with someone else’s. That's life.”

But Thursday’s epistle also hinted that Alexander’s strong feelings might not let him steer clear of controversial subjects for long.

“I also write about politics because I fear that our system has been so compromised that if we don't start engaging with each other with a focus on constructive change, the system and the country will not survive,” he wrote. “And I do believe strongly that this coming election is a profoundly important one.”