at last check, they ve tried a few different ways to troubleshoot it, to fix the problem. no word yet on whether they ve been able to stop it at this point. this follows monday s scrubbed launch which was largely due to an engine cooling problem. it was a tricky sensor that was off. but engineers remain optimistic that today there will be a launch. for now, the weather has been cooperating so that helps. nasa meteorologists predict about 60% favorable conditions, which increases to 80% as the day goes on. of course this historic mission marks the next chapter of lunar exploration and will land the first woman and first person of color on the moon in a matter of years. let s go now to cnn s space and defense correspondent kristin fisher live this morning from the kennedy space center. i don t think kristin has us. can you hear us? reporter: hey, guys, i m having a hard time with my earpiece so i can t quite hear what you said. let me bring you up to speed from the kenned
if they can t go today, the next opportunity is monday. if that doesn t work, they ll try to go at the end of the month. they can t go every day, there are certain restrictions, where the moon is, where the rocket will rendezvous and so on. people will understand that and we ll eventually get off the ground. but they re really close. even if it s not today, they re close to getting this thing going. i just don t like hearing there s always tomorrow, we ve all been waiting for this moment. that s the space business. exactly. and i m sure it s not difficult to get people to come vacation in florida. miles, this is the largest rocket nasa has ever built, right? big picture, how much effort did it take to get to this moment? well, it s really, depending on how you count, it s about 18 years in the making, if you go back to the predecessor campaign, the constellation program. it is the most powerful rocket that nasa has ever built.
take years to fix. and sanjay gupta joining us live this hour in cambodia where children are dying after 24 hours of hell. how will they fix this? where is the solution? hi, everybody. we start with house republicans renewing their efforts to overturn the affordable care act. you know the thing they call obamacare which was upheld by the supreme court but there s always tomorrow. you re looking at one of the hearings on capitol hill dealing with health care. a whole lot of debate going on tomorrow, because that will set the stage for a vote tomorrow. what you re looking at now, the house ways and means committee. not long from now the house oversight committee is going to tackle the very same subject. our senior congressional correspondent dana bash is in washington live. it s hard to believe that there have been 31 attempts to either tweak, yank, pull, dissect or destroy this thing all together. what is the point of tomorrow s vote? reporter: well, they obviously have fr