are expressing sympathy tonight for vice president joe biden and his family following the death of his oldest son beau. beau biden was considered a rising star in the democratic party and was widely expected to run for governor of delaware in 2016. the vice president's eldest son had faced a series of health setbacks in recent years, yet was able to serve two terms as delaware's attorney general up until this past january. as a toddler, beau biden and his brother hunter were the only survivors of the car crash that killed joe biden's first wife, neilia, and their 13-month old daughter naomi, only a few days before christmas of 1972. just weeks later, joe biden was sworn into the senate at beau's bedside. as an adult, beau biden played a role in his father's political campaigns, introducing him onstage at the 2012 democratic national convention in charlotte, north carolina. >> in moments both public and private, he is the father i've always known, the grandfather my children love and...

rand paul's tactics sparked criticism from utah senator mike lee this morning. lee wants the senate to pass the house version of the bill tonight. >> i do believe we have the votes. so at this point i think the question is not really about whether we'll get this passed but when. it'll happen either tonight or it will happen on wednesday or sometime in between then. >> sreenivasan: joining me now with the very latest on the senate debate is the newshour's political director lisa desjardins. >> sreenivasan: how did we get here? it has been a week. how did we goat this point? >> right. this is a gamble by senate majorly leader mitch mcconnell, when the senate comes up to a deadline, especially one like last week when they were on their way to i have a indication, the senate usually does meet that deadline, it is just by a few minutes, this time, however, they didn't, and i think the difference, hari this time, is that when these provisions were last authorized by congress, it was...