US STOCKS-Wall St set to open lower; Yellen awaited
* Kansas Fed President calls for rates hikes
* Fed Chair Janet Yellen due to speak on Friday
* Weekly jobless claims drop to 261,000 vs est 265,000s
* Futures down: Dow 43 pts, S&P 4 pts, Nasdaq 8.5 pts (Adds details, comments, updates prices)
By Yashaswini Swamynathan
Aug 25 (Reuters) - Wall Street was set to open lower on Thursday as investors treaded water ahead of Federal Reserve Chair Janet Yellen's speech at a gathering of central bankers that could paint a clearer picture on interest rates hikes.
Yellen addresses the annual meeting at Jackson Hole, Wyoming on Friday at 10:00 a.m. ET (1400 GMT).
Kansas City Fed President Esther George on Thursday added to the hawkish tone set by key policymakers, including fellow voting member and New York Fed Chief William Dudley.
"I do think it is time to move that rate ... It doesn't mean I think that needs to happen rapidly. I agree (with) a gradual move in these rates," George said in an interview with CNBC. Continuación...