Kansas Republican Kris Kobach kicked off his campaign for the U.S. Senate Monday, sparking an immediate backlash from national Republicans who fear he could cost the party a seat it has held for eight decades. The former Kansas secretary of state gathered supporters in Leavenworth Monday afternoon to officially announce his candidacy for the open Senate seat with a fiery speech that took aim at illegal immigration, the dangers of socialism and the unwillingness of Republican Party leaders to stand up for President Donald Trump’s agenda. “President Trump needs a senator who will lead the charge for him,” Kobach said....