•The 2026 campaign began with high-profile primary elections in Texas and North Carolina, setting the stage for critical contests.
•In Texas, Republican Sen John Cornyn faces a May 26 runoff against Ken Paxton, highlighting Trump's continued influence on the GOP.
•North Carolina's Senate race is a marquee contest between Democrat Roy Cooper and Trump-backed Republican Michael Whatley, crucial for Senate control.
•Both parties feel confident but face challenges; Democrats struggle in NC Senate races, while Trump's endorsement may alienate moderates.
•Expect significant spending, potentially up to USD 1 billion, in the North Carolina Senate race, and continued cash flow in the Texas runoff.
