These cases are extraordinarily difficult. It's hard to know why someone does something.

We are doing more, ... Our folks on the border are working extraordinarily hard.

In the modern era, these cases have been very hard to win and the government's track record is very mixed,

In difficult and desperate cases, the boldest counsels are the safest.

It's hard for me not to be extraordinarily cute, ... I had to fight it.

The pictures we've seen on TV are difficult to bear.