1. Dozens are injured and two have been killed by tornadoes that struck Texas and Arkansas this weekend. Read more here.
2. Four suspects have been arrested, and a man and woman have been charged with the murder of two police officers in Mississippi who were shot after making a routine traffic stop. Read the developing story here.
3. Feeling unwell, Jimmy Carter had to cut short a trip this weekend for health reasons, with the Carter Center saying only that he was "not feeling well." The former President is 90 years old. Read more here.
Related video: Jimmy Carter on women's rights:
4. Along with the King of Saudi Arabia, several Gulf leaders will be skipping the U.S. Summit in Camp David this summer, which is predicted to put a damper on the talks that were set to reassure Arab allies. Find out who will attend in his stead.
5. The jury in the Boston Bomber trial are set to decide whether Tsarnaev lives or dies this week, debating whether his sentence should be to spend life in prison or be given the death penalty. Read more here.