As polls show Hillary Clinton with a growing lead over Donald Trump, the Republican nominee began another week trying to get his White House bid back on track. He delivered a foreign policy speech in which he called for an ideological test for immigrants. Clinton, meanwhile, hit the campaign trail with Vice President Joe Biden. Our Grace Rauh has the story.

There was no talk of a blanket ban on Muslims entering the United States. But Donald Trump wants immigrants from countries he says export terrorism to pass a test to get inside.

"I call it extreme extreme vetting," Trump said. "Our country has enough problems we don't need more. And these are problems like we've never had before."

The Republican nominee says he would screen foreigners to keep out terror sympathizers and anyone with hostile views toward the United States. It was Trump's latest attempt to refocus his struggling campaign after weeks of missteps, wild accusations and sagging poll numbers. 

"The support networks for radical Islam in this country will stripped out and removed one by one, viciously if necessary," Trump said.

Former Mayor Rudy Giuliani spoke before Trump and made headlines of his own with this remark:

"Under those eight years, before Obama came along, we didn't have any successful radical Islamic terrorist attack inside the United States," Giuliani said.

The terror attacks of September 11, 2001 took place, of course, during the period Giuliani was talking about — while he was mayor of the targeted city.

Earlier in the day, Hillary Clinton and Vice President Joe Biden campaigned in Biden's hometown: Scranton, Pennsylvania.

"Someone who lacks this judgment cannot be trusted," Biden said. "There is a guy who follows me, right back here, has the nuclear codes. So God forbid anything happened and the President and I had to make a decision, the codes are with me. He is not qualified to know the codes. He can't be trusted."

Meanwhile, a new Siena College poll shows Clinton with a 30-point lead over Trump in New York, the home state of both candidates.

At one point Trump insisted he would make a play for New York. But the reliably blue state looks like it will remain that way.