[JURIST] Idaho Governor CL "Butch" Otter [official website] on Wednesday signed into law [recently signed bills, PDF] a bill that would prohibit most abortions [JURIST news archive] after 20 weeks of gestation. The bill had passed the state legislature [JURIST report] earlier this month. The new law allows for limited exceptions to the ban, such as in the case of a risk of death or substantial physical injury to the mother or to another fetus. The signing was not accompanied…