EcoWatch: In a surprise move, the eight Republican members of the Senate Environment and Public Works Committee yesterday blocked a floor vote on President Obama`s nominee, Gina McCarthy, as U.S. EPA Administrator. In doing so the Republican senators broke their earlier promise to move McCarthy`s nomination if she answered an unprecedented 1,079 written questions, a quest she completed. Political observers assume the Republican roadblock is meant to derail or delay the implementation of a new EPA rule, promised...