A new public opinion survey shows many Americans are not satisfiedwith the government's efforts to fight terrorism.Forty percent of those askedsaid they believe terrorists are winning their fight against the United States.The study by CNN and the Opinion Research Corporation was released on Monday,weeks after deadly terrorist attacks in Paris and San Bernardino, California.Almost three-quarters of those askedcriticized efforts by the administration of President Barack Obama to fight terrorists.In 2007, 61 percent of those askedwere critical of the anti-terror efforts of then-President George W. Bush.Obama is a Democrat. Bush is a Republican.The survey showed 55 percent of members of the Republican partybelieve Islamist militants are winning.Fifty-two percent of Democrats believe neither side is winning.Almost 60 percent of Democrats askedsaid they were not happy with Obama's efforts.Seventy-nine percent of independents and 86 percent of Republicanssaid they were unhappy with the president's anti-terrorism activities.ORC spoke to 1,018 adult Americans in the middle of December.Almost all of them were registered voters.Forty-nine percent of those askedsaid they support sending American troops to fight Islamic State militantswho now control large parts of Syria and northern and western Iraq.In the days after the attack in San Bernardino,a similar study showed 53 percent supportfor sending ground troops to fight the terrorists.Americans disagree about what to call the strikes.Fifty-seven percent said the country is involved in a "military conflict."Forty percent said it should be called a "war."This level of disagreement is almost exactly the same as in September 2014.Several recent public opinion pollshave shown that Americans are more worried about security than the economy.