sentences:  In September 2006, Viet Tan sent members to testify before the Congressional Human Rights Caucus in Washington, D.C..
  
  On May 29, 2007, chairman Đỗ Hoàng Điềm was invited by US president George W. Bush together with three other Vietnamese-American activists to the White House on a meeting about Vietnam's increasingly harsh treatment of anti-government activists and an upcoming visit by Vietnam's president Nguyen Minh Triet to the United States.During the 45-minute meeting, Đỗ Hoàng Điềm urged the president to increase pressure on Vietnam to respect human rights and asked for the United States to support openly democratic forces to bring change to Hanoi.During Nguyen Minh Triet's visit to the US, Đỗ Hoàng Điềm also met with House Speaker Nancy Pelosi shortly before her meeting with the Vietnamese president to stress the importance of raising the issue of Vietnam's poor human rights record.