Longtime ABC News medical expert Dr. Timothy Johnson was honored at AccesSport America’s annual leadership luncheon at the Millennium Bostonian Hotel. Years ago, Johnson highlighted AccesSport America on “Good Morning America” and the organization, which helps people with disabilities participate in sports, gained a lot of attention. Also at the luncheon were Boys & Girls Clubs of Greater Boston CEO Josh Kraft, “Chronicle” host Anthony Everett, producer Dorothy Aufiero (pictured with Johnson; Tycho Dickerson, 9, of Arlington, the group’s athlete of the year; and Ross Lilley, founder of AccesSport), and John MacNeil of Moody Street Pictures. . . . Former Indiana senator Evan Bayh was at the Four Seasons Friday for a gathering of the venture firm Fletcher Spaght Ventures. . . . New York Senator Chuck Schumer dined Friday at Henrietta’s Table. . . . Author/illustrator Marc Brown, creator of the “Arthur” series, spoke at Lesley University this week.