CBS News: Nick Jonas + Jordin Sparks ♥ Ronald Reagan Jonas and Sparks are among the 35 young people who are on the committee, many of whom had not been born before Mr. Reagan left office in 1989.

Nick Jonas of Jonas Brothers will appear on The Situation Room with Wolf Blitzer in the 5 p.m. hour today from Washington D.C., where he is giving a speech about raising awareness of juvenile diabetes. During the interview, Jonas will discuss his own battle with diabetes, how parents and kids …