Intense GOP and Dem Primary Battles in New Hampshire

Republican primary race in New Hampshire sees intense competition between Donald Trump and other candidates, including Nikki Haley and Ron DeSantis. Meanwhile, Democratic challenger Dean Phillips criticizes President Joe Biden's performance and age in the upcoming New Hampshire primary, citing concerns about his electability and nomination for a second term. Additionally, Nikki Haley raises questions about Trump's mental fitness after a series of confusions in a campaign speech, prompting calls for mental competency tests for older politicians.