Republican presidential hopefuls Nikki Haley, Ron DeSantis, and other candidates are offering conflicting messages on foreign policy challenges, testing the GOP's embrace of an isolationist foreign policy. Haley calls for aggressive responses to Israel's enemies, while DeSantis and Vivek Ramaswamy favor a cautious "America First" approach. Former President Donald Trump's inconsistent message further confuses the issue. Republican primary voters in New Hampshire are seeking better answers on international issues and desire a rational and strong leader in the White House. Some are crit...