(Reuters) - Republican presidential candidate Mitt Romney said on Saturday that he has selected Congressman Paul Ryan as his vice presidential running mate. Below are some facts about Ryan. - Ryan, 42, a rising star among the populist Tea Party movement and fiscal conservatives who dominate the Republican Party, has served seven terms in the U.S. House of Representatives since first being elected in 1998. - Ryan attracted attention when, as chairman of the powerful House Budget Committee, offered a controversial plan in January 2010 to reform the tax code and eliminate the federal deficit. ... read more..