More than half of President Biden’s supporters said they are mainly backing the incumbent in 2024 to oppose former President Trump, according to a new poll. A new CBS News/YouGov poll, released Sunday, found 54 percent of likely Biden voters are planning to choose him on November’s ballot, a 7-point increase from March. The second-highest reason for choosing Biden was that they liked him, with 27 percent selecting the option. This is down 4 points from when the poll was taken in March. Nearly a fifth, or 19 percent, said they are going with Biden because he is the presumptive...