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SACRAMENTO, Calif. - The towering giant sequoias at Yosemite National Park would go unprotected from visitors who might trample their shallow roots.

TOKYO - Japanese authorities have identified the causes of fuel leaks and other problems with Boeing's 787 but are still investigating the more serious battery problem that forced an emergency landing in January and the worldwide grounding of the jet

LOS ANGELES, Calif. - Water lines are being sanitized at a downtown Los Angeles hotel where a Canadian tourist's body was found, even though tests suggested the water was fine and an official cause of death hasn't been determined.

United Airlines cut the grounded Boeing 787 from its flying plans at least until June and postponed its new Denver-to-Tokyo flights on Thursday, as airlines continued to tear up their schedules while the plane is out of service.

LAS VEGAS, Nev.

DUBLIN - Dublin isn't cheap. But the flat, compact Irish capital is exceptionally walkable, with a wide range of free attractions easily reached on foot from any downtown hotel.

DALLAS - The wildflower showing across much of Texas isn't expected to be spectacular in the early spring, but there could be a rebound before summer.

WASHINGTON - For the next month, the Kennedy Center will glow each night with blue light and shimmers of green, depicting the northern lights and signalling what has taken over its theatres and galleries inside.

DALLAS - The Nasher Sculpture Center is marking its 10th anniversary this year by commissioning 10 sculptures to be placed throughout Dallas.

SALEM, Ore. - Legislative sessions can be dull and boring, but Oregon lawmakers have moved to commemorate the humdrum — even if no one is quite sure how.