Throughout Joe Biden’s presidency, he leaned on the outspoken former prosecutor and senator he selected as his vice president, Kamala Harris, to be the White House’s voice of unflinching support for reproductive health rights. Now, as Democrats rebuild their presidential ticket just a few months before Election Day, Harris would widely be expected to take an aggressive stance in support of abortion access if she became the party’s new presumptive nominee — hitting former President Donald Trump on an issue that could undermine his chances of victory. Biden endorsed Harris on Sunday when he announced his decision to leave the race.

While Biden sought to keep abortion center stage in his reelection bid, abortion advocates had harbored doubts that the president — a practicing Catholic who has said he is not “big on abortion” — could be an effective standard-bearer as Republican efforts erode access to abortion and other women’s health care around the country. Major messenger Harris, on the other hand, became the first vice president to visit a clinic run by Planned Parenthood. She undertook a nationwide tour focused on reproductive rights.

And when Sen. J.D.

Vance of Ohio was named Trump’s running mate, Harris used her next campaign appearance to criticize him for blocking protections for in vitro fertilization. “Most significantly, Harris would be the face of the drive to protect abortion rights,” Larry Levitt, executive vice president for health policy a.