U.S. watchdog vows 'aggressive' oversight after Trump fires intel official

The top U.S. federal watchdog vowed on Saturday to continue with "aggressive" independent oversight of government agencies, after President Donald Trump fired Michael Atkinson - the inspector general of the U.S. intelligence community - late Friday night.Atkinson was involved in triggering an impeachment probe of the president last year, after telling Congress that a whistleblower's report on Trump’s dealings with Ukraine was credible.Trump on Friday said Atkinson no longer had his "fulles