WASHINGTON (AP) — About 100 of the nation’s most contaminated toxic waste sites are in areas prone to flooding and wildfires, a potential public health threat to millions of Americans in surrounding communities, the internal watchdog at the U. S. Environmental Protection Agency has found. The EPA’s Office of Inspector General issued two new reports last week that are part of a series assessing the weather-related vulnerabilities of the 157 federal Superfund sites prioritized for cleanup...