Legislation designed to control and eradicate tamarisk was signed into law by President Bush Wednesday night, U.S. Sen. Wayne Allard, R-Colo., announced Thursday... creating funding for a large-scale effort to control tamarisk, also known as salt cedar... "The tamarisk is causing severe problems throughout Colorado and the West," said Allard. "The President's signing of this legislation marks a major milestone in the ongoing effort by Congress and this administration to provide critical resources for the removal of this destructive and invasive species." The tamarisk has invaded the margins of streams, lakes and wetlands throughout the Western United States. An individual...