onebluelight/iStock Unreleased via Getty Images I've not written to you about Visa Inc. (NYSE:V) previously, but the stock has been a long-term mainstay in my portfolio. Recent events and softer share prices prompted me to share my current analysis. In addition, within the last week I noted two Seeking Alpha neutral / negative articles about Visa. These further spurred me to think about the stock. Those articles are found here and here. You may wish to reference these alternative viewpoints. Background  ...