Colorado Republican wraps up tough week on the trail

DeMint has made headlines in several GOP primaries this cycle. He was an early supporter of Florida Senate candidate Marco RubioMarco RubioRubio, Heck help out at car crash scene Florida paper endorses Clinton, writes separate piece on why not Trump GOP lawmakers slam secret agreement to help lift Iran bank sanctions MORE (R) -- he introduced him at the recent CPAC conference in Washington -- and backed conservative state Assemblyman Chuck DeVore (R) in California. He also toyed with the idea of backing developer Patrick Hughes's primary challenge to now-Illinois GOP Senate nominee Mark KirkMark KirkFormer Miss Universe becomes surprise story to emerge from debate Senate rivals gear up for debates The Trail 2016: Trump seizes on Charlotte violence MORE.

DeMint's support has become a counter-weight to Sen. John McCainJohn McCainGOP lawmakers slam secret agreement to help lift Iran bank sanctions Kerry: US 'on the verge' of suspending talks with Russia on Syria Trump, Clinton to headline Al Smith dinner MORE (R-Ariz.), who is backing Republican Carly Fiorina in California and Norton in Colorado. McCain also backed Kirk in Illinois and he has supported Florida Gov. Charlie Crist (R) in the past.