In Michigan, Santorum fights back against Romney (Reuters)

[unable to retrieve full-text content]Reuters - Republican White House hopeful Rick Santorum defended himself against attacks from wounded front-runner Mitt Romney on Thursday as Santorum's hopes rose of dealing a heavy blow in Michigan to his main rival.

Source: http://us.rd.yahoo.com/dailynews/rss/gop/*http%3A//news.yahoo.com/s/nm/20120216/pl_nm/us_usa_campaign

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