Campaign buses loaded with Republican presidential hopefuls and their entourages are rolling across Iowa as the candidates hope some face time with GOP voters will help boost their chances in the Jan. 3 caucuses.

The main issue for many Iowa voters is the economy. But there's a sleeper issue emerging: immigration reform.

Iowa's Hispanic population is surging and Republican candidates are struggling with how best to deal with voter concerns.

The chief of Iran's navy warned Wednesday that his country can easily close the strategic Strait of Hormuz, the Persian Gulf channel where a sixth of the world's oil flows.

It was the second such warning in two days — and a Saudi official said Gulf Arab nations are ready to step in and offset any potential loss of Iranian crude in the world markets.

On Tuesday, Iran's vice president, Mohamed Reza Rahimi, threatened to close the strait, cutting off oil exports, if the West imposes sanctions on Iran's oil shipments.

Scroll down Gallup's report on its latest poll results about the most admired men and women living today and you come to this:

"The Rev. Billy Graham has never finished first, but has been in the top 10 more than any other man — 55 times since 1955." This year, Gallup puts Graham at No. 4. He was mentioned by 2 percent of those surveyed.

Each year, the United Health Foundation ranks states' health. And almost every year, Missouri drops in the rankings. This year, the Show Me State fell from the 39th spot, to 40th. In this week's Health & Wealth update, why we're getting less healthy and what we can do about it. I speak with Thomas McAuliffe, policy analyst with the Missouri Foundation for Health.

One of the chimpanzees who played Cheetah, Johnny Weissmuller's sidekick in the Tarzan movies of the 1930s and '40s, has died. He was said to be 80 years old and succumbed to kidney failure on Christmas Eve, according to the Suncoast Primate Sanctuary in Palm Harbor, Fla., where he had been living since the early 1960s.

Transcript

STEVE INSKEEP, HOST:

Good morning, I'm Steve Inskeep. Sally Daher settled her medical bills a decade after her death. The Massachusetts woman left behind unpaid nursing home costs and a shoe store she'd owned. In 2008, the store's new tenant got rid of a heavy old safe there. A tow truck driver dumped the safe in an empty lot. And then authorities found $178,000 inside. Now a judge has decided who gets the money. It will pay her old debts, and her son says he's ecstatic. It's MORNING EDITION. Transcript provided by NPR, Copyright National Public Radio.

The 1906 Indian Camelback hasn't been ridden in 40 years. It has both pedals and a motor but no brakes or clutch. The rust-covered bike is likely to fetch up to $75,000.

It's being called a battle for the soul of Israel, with even Israel's President Shimon Peres saying the country's democracy is under threat. The fight is between Israel's increasingly large and powerful ultra-orthodox community and other Jews who say they won't be dictated.