congress is back in session. but rather than being in washington, house speaker kevin mccarthy is taking his battle to wall street , the list of demands he now has for democrats as the high stakes fight heats up new reporting coming in from the mass shooting at a sweet 16 party in alabama, at least four people killed 28. others, many of them teenagers injured. police are now saying about this investigation. moments from now the most powerful rocket ever built is expected to launch into space. the mission eventually take people to mars. these major stories and more coming in right here to cnn news, central. we begin with the rocket launch and just about 20 minutes, the spacex starship is set to take off the rocket is nearly 400 ft . tall and has 33 engines and this launch will mark spacex s first attempt to launch the fully assembled starship vehicle . after years of testing. it s the first step in elon musk s vision to send humans back to the moon and mars. it s also somethin