At a moment when trade policy and foreign entanglements weigh heavily on the American electorate, four Republican Senate candidates chose the convention stage not as a place for candor, but for calibration. Speaking in the shadow of a party still defining its relationship to its own governing record, they reached for the familiar — tax cuts, economic optimism — and left the harder questions unspoken. It is an old political instinct: in contested terrain, silence can be its own strategy.