Difficult polarizing problems/conflicts are pervasive in the United States and the world. Welcome to spiritual rationality/connectedness problem solving and negotiation involving spirituality and rationality, and emphasizing connectedness in problem solving. In particular, we develop CPSN-ESD-Connectedness Problem Solving and Negotiation (CPSN) through Evolutionary Systems Design (ESD)-discussing spiritual rationality/connectedness and highlighting connectedness with One and with each other as values, among others, in problem solving. In CPSN-ESD, CPSN is effected through ESD, a game-theory based, general formal systemsspirituality modeling/design framework for individual and multiagent (group) problem solving and negotiation implemented by computer technology. Problem solving is represented by an evolving problem system of purposes and their relations from the lowest-level action to the highest purpose, ultimate common ground-spirituality, connectedness with One (or a surrogate, as discussed). For an agent, an evolved problem system satisfying spiritual rationality identifies right action (a solution) producing spirituality, connectedness with One (or a surrogate). A negotiation agreement requires multiagent agreement on the action to be taken. Agents may be natural or artificial. The paper focuses mostly on human agents with ideas being applicable to other natural and artificial (computer) agents with lesser (or greater) capabilities than humans according to their built-in capabilities. Present-to-future CSPN-ESD work includes furthering support of human agents; designing spiritual agents; designing multiagent systems for connectedness capitalism; developing connectedness democracy; further research and applications on intercultural and international negotiation; work on the world connected.