The most popular choice only can be determined by each individual, not by TV ratings, Web clicks or social-media mentions. This is personal, as professional sports tend to be in a city full of the passion all our teams induce. This is the Bears and Cubs conspiring to make Monday the least productive work day of the year. The collision of sports bandwagons promises to congest Clark and Addison and lock up Lake Shore Drive, from morning rush through afternoon drive, yet not even the threat of gridlock can diminish the gleeful excitement created by the Big Blue Train passing by Mitchapalooza.