A wild card is whether workers invested in the project will serve as an echo chamber for the Republicans' criticism.
Simultaneously intimate and bureaucratic, these letters serve as epistolary echoes of an increasingly distant time.
In a cage-like storage area, Carrie Scanga's "Stairs to Carry You From There to There Again" serve as ephemeral echoes of an actual staircase in the building.
E.B. Lewis' illustrations highlight the contrast between the relatively peaceful integration of Huntsville, King's nonviolent March on Washington, D.C., and comparatively violent incidents in Birmingham, Ala., and serve as an eerie echo of today's "Black Lives Matter" protests.
For Antonioni, the real subject is the rather pathetic, rumpled, and corrupt journalist who serves as an echo chamber for this paltry phenomenon just as he does for Anna's vanishing.
One topic that Mr. Benkler and Mr. Zuckerman have long been debating is whether the Internet has helped open up the public sphere to more voices, or whether it just serves as an echo chamber, simply repeating information and views that the mainstream media already circulate.
In addition to serving as the echo chamber for minute-by-minute doomsday stock analysis about Facebook's share price, the second most popular social media property is now operating in an environment where many are wondering if and when the company will be ready for its own public offering.
The attacker had been radicalized online, spending time in forums that served as an echo chamber for his increasingly violent thoughts.
The mystery can seem mannered and there's a lot of white space on the page to serve as a kind of echo chamber for deWitt's deadpan narration.
Other commissioners, as well as UNICEF Executive Director Anthony Lake and UNFPA Executive Director Babatunde Osotimehin, who serve as Commission vice-chairs, echoed the call to action.
