By Chris Francescani (Reuters) - A massive storm front swept north through the central United States on Sunday, hammering the region with fist-sized hail, blinding rain and tornadoes, including a half-mile wide twister that struck near Oklahoma City. News reports said at least one person had died. By 9:30 p.m. Central Standard Time, more than two dozen tornadoes had been spotted in parts of Iowa, Oklahoma, Kansas and Illinois, according to the National Oceanic and Atmospheric Administration and local news reports. ...

PHOENIX (Reuters) - Jodi Arias, facing the possible death penalty for the murder of an ex-boyfriend in Arizona, was due back in court on Monday for the final phase of a four-month-long trial. Arias, 32, was found guilty of murdering Travis Alexander, whose body was found slumped in the shower of his Phoenix-area home five years ago. He had been stabbed multiple times, had his throat slashed and been shot in the face. The same jury that convicted Arias of murder, found last week she had acted with extreme cruelty and ruled her eligible for the death penalty. ...

By Tom Polansek and Mark Weinraub SHERIDAN, Illinois (Reuters) - With the U.S. spring planting season off to a historically slow start, an increasing number of farmers are counting on powerful tools to catch up: Monster machines that sow 36 rows of corn at once and feature high-tech innovations like computer-guided directional equipment. The technological wizardry from companies like Deere & Co and AGCO Corp is pitted in a frantic race against time, with farmers scrambling to get seeds in the ground because a slow start depresses yields and reduces the size of their harvest. ...