Hunt for church shooter and other headlines

Suspected white gunman kills 9 during a prayer meeting at a historic black church in South Carolina. (Charleston Post and Courier) Here’s a good place to check for the latest updates. (AP)

Victims include the church’s pastor, who was also a state Senator. (NBC News)

Jeb Bush cancels Charleston visit after church shootings. (Politico)

Rand Paul to detail flat tax plan. (New York Times)

Pope Francis releases his encyclical on climate change. (New York Times)

Texas set to execute its 9th prisoner this year. (NBC News)

Australia issues arrest warrant for doctor who appears in ISIS recruitment video. (Sydney Morning Herald)

What are you reading this morning? Let us know in the comments, please.