By James Oliphant, Gram Slattery DES MOINES/SIOUX CITY, Iowa (Reuters) -Nikki Haley gave Iowa voters some tough talk on Friday over their scrambled eggs and sausage. It was Haley’s first campaign stop of 2024 in Iowa with only 10 days to go before the Republican Party’s first-in-the nation presidential nominating contest there, and it came after rival Ron DeSantis has been in the state for days. Speaking to the Rotary Club in Des Moines, Haley, who served as United Nations ambassador under former President Donald Trump, urged Republicans in attendance to support her interventionist views on fo…