Harris narrows gap against Trump, Times/Siena poll finds

Vice President Kamala Harris arrives Monday at the Democratic campaign headquarters in Wilmington, Del. For the first time in a year, former President Donald Trump and his allies suddenly find themselves reacting to their opponents and struggling for attention. (Erin Schaff/The New York Times)

Vice President Kamala Harris, the presumptive Democratic nominee for president, speaks during a visit to her campaign headquarters Monday in Wilmington, Del. In the new Times/Siena poll, Harris was faring better among groups President Joe Biden had been the weakest in, especially younger voters and nonwhite voters. (Erin Schaff/The New York Times)

Vice President Kamala Harris begins a 103-day sprint for the presidency in a virtual tie with former President Donald Trump, according to the latest New York Times/Siena College poll, as her fresh candidacy was quickly reuniting a Democratic Party that had been deeply fractured over President Joe Biden.