When they toured the devastation caused by the April 17 explosion at West Fertilizer, Texas' U.S. Senators pledged that investigators would get to the bottom of what happened. The disaster killed 15, injured hundreds of residents, and destroyed dozens of homes and buildings. Senator Ted Cruz said:
"We need to allow time for a careful investigation of what occurred. We all want to know what happened here."
Senator John Cornyn said:
"I'm confident there will be exactly the kind of review you're talking about on the local level, state level and the federal level. We have authorities from all…