National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...

All methods of analysis must be validated, and peer reviewed prior to being issued. Each EPA office is responsible for ensuring minimum method validation and peer review criteria have been achieved.

Survey Basics Online Surveys Telephone Surveys Voter Files International Survey Methods We often hear a candidate is leading, trailing, or the race is tied. This is based on “horse race” polling, ...

EPA offices and laboratories, and outside organizations, have developed approved methods for measuring the concentration of a substance or pollutant. Below are categories of methods. Learn about how ...

Tennessee Gov. Bill Lee paused statewide executions and ordered an independent inquiry after a prolonged, failed attempt to execute a woman on Sept. 30. Christa Pike, convicted of torturing and ...

With nearly two decades of retail management and project management experience, Brett Day can simplify complex traditional and Agile project management philosophies and methodologies and can explain ...

LeJames Norman, 40, killed at Huntsville penitentiary while scheduled execution in Georgia halted by judge A man convicted over the shooting deaths of three people was executed on Wednesday in Texas, ...

Alabama executed prisoner Jeffery Lee, convicted of killing two people, on Thursday evening by lethal injection after the U.S. Supreme Court previously prevented the state from using nitrogen gas, ...

Three states are set to carry out executions this week in decades-old cases involving a total of seven murder victims. The executions will begin in Texas and Georgia, with each state planning to put a ...