Fewer than one-third of Iowans now support the Legislature's push for an amendment that says the state constitution does not secure a right to abortion, according to a new Des Moines Register/Mediacom Iowa Poll. Support for the proposal has dipped slightly from 33% last spring to 31% this year, the poll found. The opposition has also risen, with 58% of Iowans now saying they're opposed, up from 54% a year ago. The remaining 11% of respondents are not sure. The Republican-controlled Iowa