Graham Platner and big races for governor: What to watch in Tuesday’s primaries

Four states hold primaries this Tuesday, with the Maine Senate race drawing significant national focus. Democratic candidate Graham Platner faces scrutiny as analysts monitor whether scandals might dampen voter support. Any signs of tepid turnout for Platner are viewed as warning indicators regarding his prospects against Republican incumbent Senator Susan Collins. Meanwhile, Donald Trump is actively influencing the gubernatorial race in South Carolina, adding further political tension to the day's various electoral contests.