Crosstown begins with mutual love for Chicago contenders, but what if Cubs, White Sox meet in World Series?

Crosstown in the thick of a playoff race is interesting enough. Could you imagine Crosstown in October? “Sign me up,” Cubs skipper Craig Counsell said before the first of three games with the White Sox on Monday at Wrigley Field. Yeah, you can sign everybody in this baseball-mad town up for that one, an event that might be big enough to earn the Chicago flag a fifth star. “Iconic,” said Sox fan Mary Beth Szorc of Chicago. A lot would have to go right for that to happen this fall, and the Cubs…