Firefighters battling a massive blaze that has threatened ancient giant sequoias in the state of California have made progress against the wildfire, containing roughly one-fifth of the blaze, according to data released Tuesday. In all, 22% of the Washburn fire in Yosemite National Park has been contained, the Inciweb federal fire tracking website says. A total of 3,221 acres have been torched since the fire was first detected July 7 ...