Exclusive: Sen. Tom Cotton, R-Ark., and Rep. Ashley Hinson, R-Iowa, are leading over 80 of their colleagues in a brief defending an Arkansas law designed to protect the unborn diagnosed with Down syndrome.

Exclusive: Sen. Tom Cotton, R-Ark., and Rep. Ashley Hinson, R-Iowa, are leading over 80 of their colleagues in a brief defending an Arkansas law designed to protect the unborn diagnosed with Down syndrome.