Ted Cruz, a rising star of the Tea Party, scored a major upset in Texas on Monday, ousting longtime Texas state officeholder David Dewhurst in a Republican U.S. Senate primary runoff. Cruz, a relative unknown when he first threw down the gauntlet against Dewhurst, has campaigned heavily, garnered the support of Sarah Palin and contributions from various Conservative groups across the state, all of which served to bring his longshot to reality. He’s a heavy favorite to defeat Democratic candidate Paul Sadler in November …