Plowshares into Swords I was planning to write about the reforestation of North America after the last glacial maximum. It is still going on, as the early cold weather trees continue to die off and leave space for hardwoods and warm weather trees. The process is clear to anyone who has thought about it or observed that while Maine was known as the Pine Trees there have been getting replaced by hardwoods. But anyone cane write that post, so I decided to write about beating plowshares ...