Daines signals privately he will back Thune in GOP leadership race

National Republican Senatorial Committee (NRSC) Chair Steve Daines (R-Mont.) is telling colleagues that he will support Senate Republican Whip John Thune (R-S.D.) in the race to become next Senate Republican leader, according to sources familiar with the private conversations. Daines’s public support would be a promising development for Thune, who is locked in a tough…