Immigration has become one of the issues pulling Americans apart. Earlier this month, at a constituent conversation in Bristol, Pennsylvania, I watched eight Americans with very different political views offer a glimpse of how it does not have to stay that way.Four “Reds” and four “Blues” — terms used for participants on the political right and left — sat across from Reps. Brian Fitzpatrick (R-Pa.) and Tom Suozzi (D-N.Y.), the Republican and Dem…