While local bread-and-butter issues will dominate the November election in the US, former House speaker Nancy Pelosi’s endorsement of Connie Chan to succeed her in Congress could lead to opportunities at the margins of US-China relations, analysts said.Pelosi, the first female speaker, now honoured as speaker emerita, is one of Washington’s fiercest China hawks. Chan, 47, a San Francisco supervisor, is a progressive of Chinese ethnicity.According to observers, Chan’s candidacy opens up a range...