Pa., is leading his Republican challenger, David McCormick, by 9 percentage points among likely voters, according to a new poll by The Philadelphia Inquirer, The New York Times, and Siena College. Casey,

PHILADELPHIA — Pennsylvania GOP Senate hopeful Dave McCormick is upping his campaign game with a new ad released Tuesday that takes aim at his opponent Sen. Bob Casey, tying him closely to the Democrat Party standard bearer Vice President Kamala Harris for her flip-flop on fracking in the energy-rich,

The race for U.S. Senate in Pennsylvania remains tight between incumbent U.S. Senator Bob Casey (D) and Republican Dave McCormick. A new Emerson College Polling/The Hill shows Casey with a 5% lead in the race with 47% support to McCormick’s 42%.

Pennsylvania Sen. Bob Casey (D) is leading his Republican rival Dave McCormick in new Keystone State polling. In a new poll from The Philadelphia Inquirer/The New York Times/Siena College, Casey garnered 49 percent support from the likely electorate in Pennsylvania compared to McCormick’s 40 percent.

In a head-to-head matchup, Harris' lead increased to 2 points, the poll showed, while the two candidates were tied at 44 percent each when all 1,000 adult respondents were polled.

A new Spotlight PA poll of likely voters shows Kamala Harris leading Donald Trump by 4 points, and Bob Casey leading Dave McCormick by 7 points.

A new poll finds neither Kamala Harris nor Donald Trump has a decisive edge with the public on the economy, turning an issue that was once a clear strength for Trump into the equivalent of a political jump ball.

The Franklin and Marshall College Poll, released Thursday morning, shows Vice President Kamala Harris leading former President Donald Trump by 3 points among Pennsylvania voters.

Kamala Harris has accepted CNN's invitation for a second presidential debate on October 23, while Donald Trump declined, citing early voting. Trump accused Harris of seeking another debate due to her poor performance in previous encounters.