AP Decision Notes: What to expect in Mississippi’s US House primary runoff

WASHINGTON (AP) — Two Republicans will compete on Tuesday for the right to challenge 16-term Democratic incumbent Rep. Bennie Thompson in Mississippi’s 2nd Congressional District. Ron Eller and Andrew Scott Smith were the top vote-getters in the March 12 primary, but neither received the vote majority needed to avoid the runoff election.

Eller, a military veteran and physician assistant, placed first in the primary with about 47% of the vote compared with about 36% for Smith, who has worked...