Oklahoma tornadoes kill 4; state of emergency issued amid damagePope visits Venice to speak to the artists and inmates behind the Biennale's mustTeen accidentally kills his younger brother with a gun found in an alleyWenceel Pérez hits a 2Celtics coach Joe Mazzulla says playoff basketball doesn't change much from regular seasonSenzel homers twice, Nationals erase 7McLaughlin wins 2nd straight at Barber, putting happy ending on rough week for Team PenskeWhy college kids are abandoning Ivy Leagues to go to Southern schoolsCaitlin Clark turns focus back to basketball as training camp opens for Indiana FeverKyle Tucker homers as the Astros beat the Rockies 8