Stoking his base, Trump warns of a Kamala Harris presidency

President Donald Trump has struggled to land an effective attack against his Democratic opponent, Joe Biden, so instead he is increasingly trying to elevate Biden's running mate, Sen. Kamala Harris, offering dire warnings about the potential of her becoming president.

In attacks that critics decry as sexist and racist, Trump has sought to convince voters that supporting him is needed to stop Harris, whom he paints as too liberal and as being groomed to usurp the presidency.

"They're going to be running him ragged," Trump said at a rally Saturday...