On a recent morning at Rockefeller Center, NBC employees strolled through the crowd with copies of Upward Bound , the latest book-club pick from the Today show co-host Jenna Bush Hager. “It’s deeply heartfelt and moving,” Hager said, after holding up the debut novel from the 28-year-old Woody Brown, “and the reason it’s so authentic is that the author understands autism firsthand.” That understanding is indeed profound. Brown’s autism is such that he can barely speak, and he communicates mostly