 a new poll released on the eve of the first presidential debates as former president donald trump has taken the lead over president biden nationally jonathan o'halloran reports with all eyes on the first debate a new quinnipiac poll says 73 percent of voters will likely watch the debate and 16 say each candidate's performance in that debate could lead to them changing their vote the poll also finds former president trump now leads president biden 49 to 45 percent head-to-head that after trump trailed by one percent back on may 22nd