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Getting RSS feed in R shiny web app

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Is there any way to get RSS feed from various websites (e.g. Google News) in R, and display them in an R shiny interface?

I've tried using the feedeR library, but it doesn't work... Here's my code:

library(feedeR)    
feed.extract("news.google.com/search?q=Boston&hl=en&ie=utf-8&num=100&output=rss")

I'm getting the following error message:

Error: XML content does not seem to be XML: ''

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