Kamala Harris Taps Allies on and Off the Hill in White House Bid

Vice President Kamala Harris, catapulted onto the world’s biggest campaign stage with little more than 100 days in her fight to win the White House, is leaning on a network of allies from Capitol Hill, California, and the private sector.

She’s known for keeping a small club of informal advisers, a group that already has begun to expand rapidly as she seeks the presidency and courts party donors.

During Harris’ four years in the Senate, she built ties with younger progressive Democrats and even some Republicans like-minded on policy priorities. She has occasionally hosted women senators of both parties, ...