LAKE ELSINORE, Calif. — Yahushua Robinson was an energetic boy who jumped and danced his way through life. Then, a physical education teacher instructed the 12-year-old to run outside on a day when the temperature climbed to 107 degrees. “We lose loved ones all the time, but he was taken in a horrific way,” his mother, Janee Robinson, said from the family’s Inland Empire home, about 80 miles southeast of Los Angeles. “I would never want nobody to go through what I’m going through.” The day her son died, Robinson, who teaches phys ed, kept her elementary school students inside, and she had hope…