 A new poll released on the eve of the first presidential debate says 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% 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% head to head.