What is the current state of the law on free speech?

3 A '* * * the line between speech unconditionally guaranteed and speech which may legitimately be regulated, suppressed, or punished is finely drawn. * * * The separation of legitimate from illegitimate speech calls for * * * sensitive tools * * *.' Speiser v. Randall, 357 U.S. 513, 525, 78 S.Ct. 1332, 1342, 2 L.Ed.2d 1460.