GOP leaders can't bank on Trump's help in Kansas Senate race

Establishment Republican leaders are scrambling to pull out a win in a tense party battle for the nomination in the Kansas Senate race, and they won't be able to count on last-minute help from President Donald Trump.Trump has signaled to allies and aides that he won't endorse in the primary between Rep. Roger Marshall, the preferred candidate of Washington Republicans, and conservative lightning-rod Kris Kobach.Although GOP leaders believe Kobach's hardline anti-immigration message is too divisi