WASHINGTON (AP) — Americans overwhelmingly want tougher screening for Ebola, according to a poll released as federal health authorities took new steps to do just that. Many are worried about Ebola spreading here, and two-thirds say the government hasn't done enough to prevent that from happening, according to an Associated Press-GfK poll. Some things to know: THE PUBLIC WANTS MORE TRAVEL SCRUTINY The AP-GfK poll found 9 out of 10 people — unusually high agreement on any issue — think it's necessary to tighten screening procedures for people entering the U.S.