Could 2008 be a repeat of 1980? Public opinion analyst Karlyn Bowman says we should have a better idea after the major party political conventions in late August and early September.

• 2008年的总统大选会不会是1980年大选的重演呢？美国企业研究所的鲍曼女士说，等到民主党和共和党八月底、九月初的提名大会之后，局势将进一步明朗。