Republican candidates talk tough on Islamic State, offer few specifics

GREENVILLE, S.C. (Reuters) - Seeking an edge on the national security issue, Republican presidential hopefuls on Saturday seized on the attack in Texas this week for which Islamic State claimed responsibility as an example of the threat they say the militant group poses to the United States.http://feeds.reuters.com/~r/Reuters/PoliticsNews/~3/-T2YGBIijbM/story01.htm