By Steve Holland and Trevor Hunnicutt WASHINGTON (Reuters) – U.S. President Joe Biden on Wednesday named a liaison to Asian Americans, who are contending with rising violence, after facing pressure to ensure greater diversity among top administration officials. Biden picked onetime congressional aide Erika Moritsugu to spearhead outreach to the increasingly politically significant Asian American and Pacific Islander diaspora. In a statement, the White House said Moritsugu would be “a vital voice” to advance the administration’s priorities. Moritsugu’s hire coincided with White House efforts to…