let me go on to mr. isacson . i wholeheartedly concur with your assertion that asylum is necessary for an important american value. can you get at, quickly, i know i have very little time, some of the root causes by we are seeing such a spike in numbers? this is not a problem underwent administration. we have seen high numbers over the years, certainly over the last three years. we have high numbers, what are the root causes marks >> often, when you talk to someone they will give you more reasons, but often those reasons are authoritarianism, violence, targeted or violence governments can protect people from, sometimes discrimination, sometimes sexual or gender- based violence. quite often, more recently, it is natural disasters often caused by climate change. >> and in what countries are we talking about? after all, we are the foreign affairs committee. this is not all people just sitting on the border. >> about a quarter, from mexico. another third or so coming from central america. another third or so coming fr