Should Vice President Dick Cheney be impeached and removed from office? Almost one-third of Americans in a new poll say "yes."A Rasmussen Reports national telephone survey also found that 40 percent of Americans disagree and 29 percent are not sure.Fifty-one percent of Democrats said Cheney should be impeached and 22 percent disagreed. Eight percent of Republicans and 30 percent of unaffiliated voters favored impeachment of the vice president, Rasmussen said.