HIGHLAND PARK, Ill. — Freshman Rep. Robert Dold boasts the dubious distinction of representing the most Democratic district of any Republican Member of the House. If he’s lucky, Dold will keep that title next year in this redrawn district north of Chicago. “Where is Zion?” asked his daughter Harper, 10, studying an atlas from the front seat of Dold’s blue, decorated campaign bus early Saturday afternoon. “Is this the right map?” That’s probably the same question Dold asked himself 16 months ago, when Democrats redrew the Congressional map in Illinois. Democrats unsuccessfully dumped millions into the 10th district during the past three cycles, so Dold began his first term as a top target, even before the redrawn map made his road to a second term more challenging. (more…)