chart imitates life. take this as a thank you to ezra klein who guest hosted while i was out of town last night. we love ezra here and ezra loves chart. this is a chart-laden valentine for understanding what is going on in the news of politics right now. this is the chart of what the beltway media is obsessed with for 2012 politics in the current news cycle. the oh my holy smokes is rick santorum going to beat mitt romney story. shows mitt knit in black, his polling over time and in red, that is rick santorum, his polling over time. mr. santorum coming out of no where and with that steep climb, now challenging if not beating mr. romney nation-wide. this is the story the beltway media cannot get enough of right now. here's why i don't think that is the most important political dynamic in the world. yes, mr. santorum has come from no where to meet or exceed mr. romney this week. but before this week, mr. romney weathered the same storm from