Mitt Romney campaigns in Las Vegas Tuesday. Photo by: Justin Sullivan/Getty Images With little fanfare, Willard Mitt Romney crossed an important threshold Tuesday. The 65-year-old former governor of Massachusetts clinched enough primary delegates to earn the Republican Party's nomination to…

// With polls showing two-thirds of Latino voters supporting President Barack Obama for re-election, the Republican Party faces an uphill battle to capture the Hispanic electorate in November. An NBC News/Wall Street Journal/Telemundo poll released last week shows that less…

Mitt Romney campaigns on Memorial Day in San Diego. Photo by Justin Sullivan/Getty Images Texas, home to the last two Republican presidents, will be the state that pushes Mitt Romney across the 1,144 delegate threshold Tuesday. The presumptive Republican nominee…

As Americans across the globe remembered generations of the nation's fallen this Memorial Day, President Obama and Mitt Romney joined the observances -- taking time out from the campaign to praise the contributions of the country's servicemembers. Judy Woodruff reports.