michael mccarthy, great to have you. >> time to see what is trending on the web. let's check in with harmeli aregawi. >> the hash tag up for climate has been trending. 20,000 have been using it. 28 senators, including 26 democrats and two independence stay up through monday night into tuesday morning to talk about climate change. it's to wake up congress about the seriousness of the issue. >> we need to protect communities and infrastructure and health threats and rising seas. the senators are not pushing for specific legislation, and some say the gesture is less about climate change, and more about campaign cash for the midterm elections in november. in 2012 environmental groups spent about 20 million on ads and other activities to help democrats win elections and gave over 700,000 to candidates during the cycle. climate change must be addressed but is this an effective method. who knows. and it was said: read more at the website. aljazeera.com. >> and straight ahead - a democratic conundrum for the midterms. should they run to or from president obama. and arnold

let's ask michael mccarthy, with the johns hopkins school of advanced international studies and lecturersinternational studies, and a member of the carter center. what role do you think the u.s. can play, or is it better for all. >> i think it's very interesting that, you know, vice president biden made the remarks i head of the inauguration of michelle bachelet in chile. it's likely to stir up the pot ahead of the discussions happening behind closed doors. i don't see the statements from the vice president as really suggesting or signalling a change your from the status quo of a strong rhetoric from each side. i think the nicolas maduro government will review the remarks as more cold water poured on the possibility of a normalisation of ties between the two countries, something that the nicolas maduro government expressed an interest in doing and then reverse course quickly. venezuela is a low-leverage state. it has a lot of oil, as we know, and good relationships with china and russia to give it international outlets, besides working through the united community. >> you are bringing up

michael mccarthy good to have you back on the show. >>> time to see what's trending on the website. hermella. >> racial segregation. if you have to guess what part of the country was least are segregated? south and west are the most racially mixed compared to the northeast and midwest parts of the country. many portion he of the sun belt were relatively new, housing developments around cities of las vegas and phoenix have no ration separation. all parts of the u.s. and the world has partially erased the remnants of racial separation deeply rooted elsewhere. young migrants are less likely to harbor discriminatory attitudes and more likely to be in mixed race relationships. can you read more about this at aljazeera.com. tweet us @ajconsiderthis. >> does march madness mess up american workplace is? and later, while you may want to get to sleep as soon as this show is over. >> leading from behind, was the phrase an advisor to president obama famously used to describe the administration's approach to the crisis in libya. slamming the president's actions with respect to syria, iran and mo