The phrase "a topic best" is not correct in standard written English.
It may be intended to convey the idea of identifying the most suitable or appropriate topic, but it lacks clarity and grammatical structure.
Example: "When considering the various subjects for discussion, we should focus on a topic best suited for our audience."
Alternatives: "the most suitable topic" or "the ideal topic".
The Russianness of Russian artists is surely a topic best left to the natives.
The issue of data protection has therefore ceased to be a topic best left to geeks in the computer department.
Barring this week's anomalous mashup of pop-culture and America's "peculiar institution," we tend to think of slavery as a topic best suited for history books.
Second, I have two daughters (ages 10 and 8) who are aspiring ski racers (perhaps following in their dad's footsteps?; that is a topic best saved for another time) and want to give them every opportunity to achieve their goals.
Patent reform, long a decidedly unsexy topic best discussed over a strong espresso, has been a hot topic in recent years.
Their argument will at other times claim that we don't want to muddy the clear waters of public health with the messy politics of race, that this sort of a topic is best left to protesters, opinion editorials and campaign stump speeches.
It's a topic that's best saved for another post, but if Apple, the king of mobile, mobility and post-PC, and Facebook, the king of social, were ever to strategically align so as to orchestrate a frontal assault on Google's loosely coupled approach … now, that would be a battle royal!
Think up a topic which would best match the record you'd like to break.
How they felt about kissing each other, or about the lovely Maribel Verdú — at once loosely comic and contained, a wet dream with a dry wit — sliding to her knees before them both, with a hand on each belt buckle, are topics best left to the imagination of the audience, who will leave the theatre with thirsts of their own to quench.
Women's bodies, women's lives, women's rights: those are messy, incendiary topics, best avoided.
In this world view, subjects such as economic and financial history, or the detailed empirical study of specific contemporary economies, are also topics best left outside the undergraduate course.
