11.   But the debate swirling around the march also seemed to illustrate the difficulty in spanning that divide.

12.   But the forum also served again to illustrate the difficulties facing the field as a whole, as well as the individual candidates.

13.   But the reaction illustrated the difficulties ahead.

14.   His departure illustrates the difficulty of merging companies and leadership, analysts said.

15.   His passion illustrated the difficulties in selling international financial regulation to those countries that believe they can only stand to lose when rules are tightened.

16.   Illustrating the difficulties faced by monument advocates, the World War II Memorial design was recently rejected for placement between the Lincoln Memorial and Washington Monument.

17.   Instead, the speeches illustrated the difficulty in cobbling together a coalition when disparate parties like elements of a plan, but not necessarily the whole package.

18.   It also illustrated the difficulty of trying to limit such recourse, as many proposals for legalizing assisted suicide have done, to those within six months of dying.

19.   It may be the first documented case of ethnic cleansing by ethnic Albanians and illustrates the difficulty NATO peacekeepers will have in preventing acts of revenge.

20.   Officials said the case illustrates the difficulties of adhering to U.S. legal standards in markets like Russia, where the full rule of law has yet to be established.