Darline Graham pilloried for saying she's 'not that informed on national security'

Critics lambasted Sen.

Darline Graham (R-S.C.) on Tuesday for her response to a debate question about national security, which the senator said she was "not that informed on." Debate moderator Greta Van Susteren asked Graham if Taiwan and the South China Sea are national security issues for the U.S. and why.

"I'm just going to...