What was Roosevelt warning against in the sentences?

I hail as a benefactor every writer or speaker every man who on the platform or in book magazine or newspaper with merciless severity makes such attack provided always that he in his turn remembers that the attack is of use only if it is absolutely truthful.

A. Falsely accusing people of evil practices

B. Writing too passionately on certain topics

C. Telling the truth will lead to retaliation

D. Forgetting that journalism is very powerful

research question: do the predicted benefits of genetic enhancements outweigh the possible negative consequences of this technology?  

what information do i need to research in order to answer this question?  

-predicted benefits of genetic enhancements

-negative consequences of genetic enhancements

-existing, if any, consequences of the new technology

-possible consequences if the technology is perfected

what sources will have the information?

-scientific research documents or news articles summarizing research

-articles in science and medical journals, magazines, and electronic databases

-books

-experts at genetics: geneticists, scientists, professors

here you go have a nice day