Minnesota Public Radio's "Campaign 98." From now to the primary in September, we're presenting in-depth looks at the where the candidates stand on the big issues. This week we're focusing on the environment. In this segment, Minnesota Public Radio's Martin Kaste talks with the Republican endorsed candidate, St. Paul mayor Norm Coleman. BACK ANNOUNCE: You can hear the next segment of our Campaign 98 focus this afternoon on All Things Considered, when Karen Louise Boothe talks with Mike Freeman about the environment.