U.S. Reps. Henry A. Waxman, D-Calif., and Bart Stupak, D-Mich., want Independence Blue Cross President Joseph A. Frick and his peers at Cigna, Aetna, Horizon, and dozens of other big health insurers to answer a few questions.

U.S. Reps. Henry A. Waxman, D-Calif., and Bart Stupak, D-Mich., want Independence Blue Cross President Joseph A. Frick and his peers at Cigna, Aetna, Horizon, and dozens of other big health insurers to answer a few questions.