By Brendan Pierson (Reuters) - Iowa's highest court did not revive a 2018 ban on most abortions on Friday, meaning that abortion will remain legal in the state up to 20 weeks of pregnancy for now. One of the court's seven justices did not take part in the ruling for an unspecified reason, and the remaining justices deadlocked 3-3. That automatically left in place a 2019 court order blocking the