A crowd of more than 1800 gathered in the Iowa State Fair's livestock pavilion today to hear from numerous Iowa Republicans who are on the 2016 General Election ticket in November, with presidential nominee Donald Trump serving as the event's closer.

Republican presidential candidate Donald Trump greets the crowd after speaking at Joni's Roast and Ride at the Iowa State Fairgrounds, in Des Moines, Iowa, Saturday, Aug. 27, 2016. Joni Ernst's annual Roast and Ride event, Trump vows to "end the discrimination that traps parents and kids in failing government schools".

Trump also said one of his campaign goals is to "make America grow again", touting his plans to boost economic growth and help American farmers, including his proposal to lower the tax rate on family farms to 15 percent.

Trump tells the crowd, which includes many farmers, that "we are going to end this war on the American farmer".

"Every time an African-American citizen, or any citizen, loses their job to an illegal immigrant, the rights of that American citizen have been violated", he said.

Trump's campaign says he plans to visit black communities in the coming weeks to make direct appeals for their support, including a stop in the Midwest city of Detroit, Michigan, the beleaguered hub of the USA auto industry.

Iowa Gov. Terry Branstad says Donald Trump can beat Hillary Clinton in Iowa by focusing on agriculture, pointing to his support for a renewable fuel standard important to the state's corn growers.

WASHINGTON (AP) - Donald Trump isn't making it easy for top supporters and advisers, from his running mate on down, to defend him or explain some campaign positions.

Trump drew an online backlash Saturday for a tweet he sent in response to the shooting death of National Basketball Association star Dwyane Wade's cousin, who was gunned down near the Chicago school where she had planned to register her children.

Clinton has said that Trump and his supporters have taken on extremist views, casting the race in a Friday MSNBC interview as "not a normal choice between a Republican and a Democrat". He referenced the cousin of National Basketball Association player Dwayne Wade who was shot in Chicago. "I would just say it's more personality, demeanor".

Several hours after firing off his first tweet on Wade, Trump offered a more somber and contrite message: "My condolences to Dwyane Wade and his family, on the loss of Nykea Aldridge".

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However, Kellyanne Conway, Trump's new campaign manager, is hoping to change women's minds about the Republican nominee, pointing out that "a critical mass of women have not said they'd vote for Hillary Clinton".

Amid a fierce period of campaigning, Clinton and Trump are also taking time to warm up for their biggest showdowns.

Trump trailed Ted Cruz in February's Iowa Caucuses, and has made it a point not to finish second in Iowa in the general election.

The Republican presidential nominee also talked about immigration policy in terms that showed him returning to his hard-line stance on a key nexus in his platform, after his startling softened rhetoric on the topic just days ago.

Trump skipped the 42-mile motorcycle ride that preceded the event in a state where polls show a tight contest, a rare bright spot for Trump amid a sea of challenging battleground states. Ted Cruz. But much of the state's Republican establishment has since rallied around Trump.

Hillary Clinton has arrived at an Federal Bureau of Investigation facility in White Plains, New York, for her first national security briefing as the Democratic presidential nominee.

Meanwhile, Hillary Clinton received her first national security briefing Saturday.

Like McGuire, Patty Thompson from Jefferson, Iowa told Breitbart News that she opposes Clinton because the former secretary of state doesn't tell the truth, describing her as "very dishonest and deceptive".

The New York businessman has vacillated by saying there would be "a softening" of existing immigration laws and later suggesting for the first time that if he did authorize deportations, many of those immigrants would be allowed to return quickly to the United States.

For Trump, who trails Clinton in almost all national and battleground-state polls, the debates represent an opportunity to change perceptions.