Your daily look at late-breaking news, upcoming events and the stories that will be talked about today: 1. WHO'S NOT TAKING MORE U.S. TARIFFS SITTING DOWN China vows to fight the U.S. "at any cost" after President Trump proposed slapping an additional $100 billion in tariffs on Chinese goods in an escalating trade dispute. 2. AGENTS FACING NEW CIRCUMSTANCES AT MEXICAN BORDER The U.S. National Guard faces a vastly different environment than it did on its last two deployments to the border with Mexico, with far fewer illegal crossings and more Central Americans than Mexicans coming. 3. ASIAN LEADER GIVEN LONG PRISON TERM FOR GRAFT Former South Korean President Park Geun-hye was formally convicted and sentenced to 24 years in prison and fined 18 billion won ($16.8 million) in a corruption scandal. 4. RALLIES TO CONTINUE IN BIBLICAL LAND Israel and Hamas geared up for another showdown on the Gaza-Israel border, amid concerns about renewed bloodshed. 5. CHIEF OF STAFF GETTING COLD SHOULDER FROM COMMANDER IN CHIEF Emboldened in his job, President Trump has rebelled against John Kelly's restrictions and mused about doing away with the chief of staff post entirely. 6. DOWNPOUR EXPECTED TO CHALLENGE OROVILLE DAM Northern California is bracing for a major spring storm expected to dump several inches of rain, a possible first test of the partially repaired spillway at the nation's tallest dam. 7. EDUCATORS' WALKOUT MAY CONTINUE FOR DAYS A teachers strike in Oklahoma stretches into a fifth day and pending proposals to increase revenue may not be enough to stop it from extending into next week. 8. NEW UNEMPLOYMENT FIGURES ON THE HORIZON Did March provide another month of blowout hiring? Was pay growth healthy? Experts are looking for answers in the government's monthly jobs report. 9. RAP STAR RELEASES FIRST ALBUM Anticipation around "Invasion of Privacy," Cardi B's debut, has been scorching hot. 10. STRUGGLING BUT HOPEFUL IN AUGUSTA Tiger Woods plodded through an unspectacular opening round at the Masters, settling for a 1-over 73 that left him far off the lead but still feeling good about his chances.