US Figure Skating has been tweeting it's picks for Junior Worlds a frustating bit at a time:

http://twitter.com/USFigureSkating

Ladies: Agnes Zawadzki, Courtney Hicks, Christina Gao
Alternates: Lam, Siraj, Gong

Men: Will be listed after the Senior Men's Final today

Dance: Charlotte Lichtman & Dean Copley, Lauri Bonacorsi & Travis Mager, Anastasia Cannuscio & Colin McManus,
Alternates: Olson & Cowan and Yang & Baker