confidence-intervals in barchart

Hi R users,

1)  How does one show confidence-intervals in a barchart and use rownames for 
labels on the y-axes?  I have looked at "plotCI" in "gregmisc" package . But 
it does not seem to produce something like a barchart.  The statistic, error, 
upper-bound, and lower-bound are in a dataframe.

2) How to show CI in a barchart either using the statistic and, either (a) 
errors or (b) upper and lower bounds from a dataframe?

An example will be very helpful.

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