1.   At a time when resistance to black players was still intense, this was a signal moment of brotherhood.

2.   A signal moment came later, when a law firm withdrew a job offer after it learned that Roberts was Jewish.

3.   But the indictments were a signal moment in a tangled tale of financial intrigue that has played out over a quarter century.

4.   It was a signal moment in the rebirth of tonality.

5.   This is a signal moment for McCain, whose poll numbers in New Hampshire are starting to move upward in his drive for the Republican presidential nomination.