Nithya Raman edges out Spencer Pratt to face Karen Bass in LA mayoral runoff.

Progressive challenger to face incumbent mayor in November as former reality star Pratt trails behind.

Karen Bass, left, and Nithya Raman. The two will battle it out in November. Composite: Getty Images for Highland Fleets, AP

Nithya Raman, a progressive member of the Los Angeles City Council, has secured a place in November’s mayoral runoff after narrowly surpassing former reality television personality Spencer Pratt, earning the opportunity to challenge…