Bart Sullivan, a senior vice president at WSP Cantor Seinuk, a firm that handles engineering for buildings like One World Trade Center, says building a residential skyscraper is generally more challenging than building a tall office building, partly because residential buildings have fewer internal columns and other core structural elements.

WSJ: Living The High Life

My father had to take off a morning of work to go over to the home office in New York to the tall building whose uppermost tower was crowned with the beacon his company proudly designated "The Light That Never Fails" and inform the superintendent of agencies that he couldn't accept the promotion he longed for.

NPR: Roth Rewrites History with a 'Plot Against America'