In the April 30, 2009 column, a reader urged Savage to stop using the word 'retarded' and its variants.

He in turn gave the proposal publicity in his April 1937 column and helped to garner public support for the organization.

So it's no surprise to read Bob Herbert's April 21 column on the subject.

To the Editor: I found myself responding to Russell Baker's April 24 column on the black monsters known as sport utility vehicles with "yes!"

The subject was later raised again by James Parrack in his April 2004 column in Swimming magazine.

To the Editor: Russell Baker's April 24 column on sport utility vehicles speaks for many.

To the Editor: William Safire's April 7 column represents what is wrong with America's view on the situation in Iraq.

A 17 April column in La Nación promised sweeping prosecution and punishment for all those involved.

To the Editor: Thomas L. Friedman's April 14 column raised some important points.

His April 21 column on the meaning of Israel as a Jewish homeland struck chords deep inside me.