Thirty one years ago, in 1987, I landed at Boston Logan Airport with an F1 student visa to attend Harvard. I was full of excitement and not the least bit concerned about getting into the country. I had been here twice before, once staying with a family in Rochester, Minnesota for a school year (1983/84) and once in the summer of 1986 to tour schools all across the US. Each time entering the country had been a complete non event (other than long waiting lines). This past Friday, a 17 year old ...