They should be saved because with out them we wouldn't be able to have the medicine that we have today. Also we can find more wild and cool animals and plants that are still out there to be found.

We shoud let every one in but have to use good judgement,caution,and check their criminal reocrd and if it look like their going to to do anything bad we should check what they were going to do.If they were going to anything as a terrorism attack then we should send them back.