what we're covering countdown to the debate vice president kamla Harris and former president Donald Trump are gearing up for tomorrow's high stakes presidential debate a CNN poll of polls finds a tight race with no clear leader ahead of The Showdown campaign activities Harris is expected to continue debate preparations in Pittsburgh where she took a break to meet voters over the weekend Trump who rallied in Wisconsin on Saturday will join a call with Evangelical leaders this evening Trump's threats Trump over the weekend threatened to prosecute and jail election officials who he suggested could cheat in the 2024 election if he wins the presidency Trump's threats part of his repeated baseless efforts to cast doubt on the Integrity of the 2024 election come as early voting starts soon in many states running mates Democratic Vice president nominee Tim Walls is campaigning in Texas and in Battleground Nevada tonight meanwhile Trump's running mate JD Vance will tape an interview with Tucker Carlson amid controversy over a recent guest on his show