DUNKERTON, Iowa (AP) — The principal of a Dunkerton secondary school says his resignation was planned long before a Christian rock band’s performance that promoted anti-gay and anti-abortion views during an assembly. Mike Cooper said after Monday’s school board meeting that he was leaving to become a superintendent.

DES MOINES, Iowa (AP) — Lobbyists have stepped up their efforts to try to kill a bill that would foster construction of a nuclear power plant in Iowa. A full-page ad in yesterday’s Des Moines Register encouraged residents to ask lawmakers to defeat the proposal that’s awaiting debate in the Senate. MidAmerican Energy has launched a new website to explain why the state should change its policies to encourage nuclear power.

IOWA CITY, Iowa (AP) — Federal prosecutors have dismissed their case against a 65-year-old woman for damaging a wetland while building a Dubuque campground. But they have reserved the right to later pursue a prison sentence for Elaine Kelly, who pleaded guilty last week to a felony violation of the Clean Water Act. Family members said she accepted a plea deal to avoid an expensive trial she could not afford.

ALBIA, Iowa (AP) — A mental competency hearing has been rescheduled for April 18 for a southern Iowa man accused of killing his brother. Seventy-three-year-old Richard Davis, of Albia, is charged with first-degree murder in the death of 60-year-old Gary Davis, who was a respected doctor. He was shot multiple times in his driveway in Albia on February 15, 2011.