What needs to occur for Kansas to elect a Democratic US Senator? [View all]

Kansas has not elected a Democrat to the US Senate since 1932(McGill-D).
The other states that currently have 2 Republican US Senators have elected a Democrat in
1970)UT(Moss-D) and WY(McGee-D)
1974)ID(Church-D)
1982)MS(Stennis-D)
1988)TX(Bentsen-D)
1990)OK(Boren-D) and TN(Gore-D)
1992)KY(Ford-D)
1998)SC(Hollings-D)
2006)NE(Nelson-D)
2008)AK(Begich-D),AR(Pryor-D),IA(Harkin-D),
LA(Landrieu-D),NC(Hagen-D) and SD(Johnson-D)
2012)FL(Nelson-D),IN(Donnelly-D),MO(McCaskill-D), and ND(Heitkamp-D).
2017 special election) AL(Jones-D)

KS has 2 top tier Democratic candidate for US Senator/ Laura Kelly-D and Sharice Davids-D).