Over 400 firefighters battling blaze, which has destroyed 10 residential and commercial structures and threatens 2,000 more; evacuation orders put in effect for over 6,000 people

Sales for the shirt, first created in 2004 by Berkeley resident Sarah Lefton, spike after president bungles name of one of America’s most famous parks

President flubs pronunciation of US national park, drawing a wave of Jewish mockery on social media

18-year-old Tomer Frankfurter was trying to mimic a popular social media photograph when he plummeted nearly 600 feet last year