Trump sharpens his weapons against new rival Kamala Harris

Forced to formulate a new electoral strategy less than 100 days before the U.S. presidential election, Donald Trump will take part in two campaign events on Wednesday, with new opponent Kamala Harris in his sights.

 Harris launched a searing attack on Trump Tuesday, telling her biggest campaign rally yet that the momentum was shifting in the White House race and daring the Republican to debate her face to face.

Vice President Harris's trip to Atlanta, Georgia, comes as reenergized Democrats regard the swing state as being in play again, after it looked beyond hope under President Joe Biden before his shock withdrawal from the 2024 election.

The presumptive Democratic nominee is aiming to expand the party's 2024 battleground map and appeal to young Black voters, delivering a firm, 20-minute speech to about 10,000 supporters in a packed arena and pledging Americans "are not going back" to the "failed policies" of Trump.

"Now, the baton is in our hands," Harris said to loud applause. "We have a fight in front of us... And we are the underdogs in this race."

The Republican's race for the White House was thrown into chaos on July 21 when U.S. President Joe Biden withdrew his candidacy, backing Vice President Harris as the Democratic nominee.

"The momentum in this race is shifting, and there are signs that Donald Trump is feeling it," she said.

Trump had placed 81-year-old Biden's health at the heart of his political campaign, portraying him as an enfeebled old man.

Now, he faces an entirely different candidate: the country's first Black, woman and South-Asian-origin Vice President, who is almost two decades his junior.

The change in candidate has forced Trump and the Republicans to change their strategy...