CNN: An experimental plane flying around the world without a single drop of fuel landed in California after a two-and-a-half day flight across the Pacific. Piloted by Swiss explorer and psychiatrist Bertrand Piccard, Solar Impulse 2 touched down in Mountain View just before midnight (3 a.m. ET). "It's a new era. It's not science fiction. It's today," Piccard told CNN from California after his successful voyage. "It exists and clean technologies can do the impossible." Images of the elegant solar aircraft,...