Support WBURWhat you need to know about the child tax credit as both campaigns embrace itPlay03:25Download AudioSelena Simmons-DuffinAugust 15, 2024 ShareOhio Sen. JD Vance, the Republican vice presidential nominee, carries his daughter, Maribel, on the campaign trail in St. Cloud, Minnesota. Vance and his wife, Usha, also have a young son, Vivek. (Getty Images)