King will also appear on the campaign trail for Akin in Kansas City, Mo., and Jefferson City, Mo., over the weekend.

Both Bachmann and King are major Tea Party figures and prominent social conservatives.

ADVERTISEMENT
Akin is competing in a three-way primary for the GOP nomination to take on Sen. Claire McCaskillClaire Conner McCaskillGovernment watchdog finds safety gaps in assisted living homes GOP Senate candidate fundraising lags behind Dems in key races McCaskill challenger links human trafficking to 'sexual revolution' of 1960s MORE (D-Mo.).