SAN JOSE, Calif. — Towering Squaw Peak has groomed generations of America’s most elite winter Olympians, from racer Tamara McKinney and freestylist Jonny Mosely to six members of this year’s Alpine Team USA. But Lake Tahoe’s snow will be too patchy and too wet to host future Winter Olympic Games, according to a new analysis, dashing hopes of repeating the 1960 honor that built the region into a powerhouse of winter sports. Because of climate change, the resort — formerly Squaw Valley but now named Palisades Tahoe — is no longer a dependable site for the Games, with the risk of scant and soggy ...