New CNN poll: Former President Donald Trump continues to hold what has proven to be an unshakeable position atop the Republican field of candidates vying to take on President Joe Biden next year, according to a new CNN poll conducted by SSRS. Trump is the top choice for his party’s nomination at the traditional Labor Day start to a more engaged campaign season, ahead of his nearest rival by more than 30 percentage points (52% of Republicans and Republican-leaning independent voters support him, compared with 18% behind Florida Gov. Ron DeSantis). And Trump is broadly seen as best able to handle a wide range of issues. More than 4 in 10 in the potential GOP primary electorate say they have definitely decided to support him for the nomination (43% are definite Trump backers, 20% are firmly behind another candidate, and 37% have no first choice or say they could change their minds). Nearly two-thirds consider him one of their top two choices, and 61% say they think he is extremely or very likely to become the party’s nominee, up from 52% at the start of the summer. Most feel the criminal charges Trump faces are not relevant to his ability to serve as president, and a majority of GOP-aligned voters are not seriously concerned about the impact the charges could have on Trump’s electability. This is a very serious problem: A minority, 44%, of Republicans and Republican-leaning independents say they are seriously concerned that the criminal charges Trump faces will negatively affect his ability to win the 2024 election…