Ed Rollins : Matthew Hoh quit the Foreign Service due to concerns about war . He says Hoh is latest in tradition of Americans who worry over war . We must ask tough questions before sending troops , he says . The opinions expressed in this commentary are solely those of Ed Rollins . Rollins : Troops should only be committed to protecting vital U.S. interests .
Ed Rollins : Matthew Hoh quit the Foreign Service due to concerns about war . He says Hoh is latest in tradition of Americans who worry over war . We must ask tough questions before sending troops , he says . Rollins : Troops should only be committed to protecting vital U.S. interests .