Although famed musical composer Irving Berlin thought them lovely enough to write a sonnet, nowadays few women are donning Easter bonnets. In fact, you're more apt to see wrinkled khakis and rumpled polo shirts than pressed suits and pastel pumps at church on Sunday. While Easter Sunday has traditionally been the day to show off your new spring finery, America has become a nation that dresses down, and not just on "casual Fridays" in the office.