CLEAN: Obama agrees to study new drug control strategy

The video discusses the importance of evaluating what works and what doesn't in preventing violence and weakening drug traffickers. It addresses the handling of allegations and the expectations from representatives of the United States. The need for investing in basic research is emphasized, and the video concludes with closing remarks and expressions of gratitude.

What does the speaker suggest is necessary for investing in basic research?

How does the speaker express gratitude at the end of the text?