1.   Drug companies influence the scientific process every step of the way.

2.   At the time, many U.S. policymakers had naively believed drug influence would wane in Latin America when democracies emerged from corrupt military dictatorships, Cash said.

3.   Investigators have targeted a vice president and a leading diplomat in a widening drug scandal that has embarrassed an administration that pledged to rid the country of drug influences.

4.   The disclosure has nevertheless embarrassed an administration that pledged to rid the country of drug influences.