Earth Day is Boomer Day
 Perhaps not since the very first one 37 years ago has Earth Day attracted the credibility or the genuinely intense national and global focus that it has this year. Thousands of grassroots celebrations, including the annual march in downtown Traverse City today, are occurring this weekend. In New York City, Mayor Michael Bloomberg, a moderate Republican, introduced a green investment plan and policy strategy for transforming the nation’s largest metropolis into an even more transit-friendly, energy-efficient, environmentally-sensitive place to live and do …