Cruising high above the Mississippi River on my first Green Line light rail ride was something I may never forget. It felt so…right. Some may find it absurd to hear me say it is worth the billion dollars just to ride it across the Mississippi. But think about it – a meaningful transit investment connecting the state’s largest downtown with its largest University (and on to St. Paul!) makes sense, and it only took 150 years and $1 billion to do it. Despite some timing issues, the train ride itself is sweet. The problem lies in getting there. $1 billion later, the Green…