The public policy of this state is declared to be that jury service is the solemn obligation of all qualified citizens, and that excuses from the discharge of this responsibility should be granted by the judges of the courts of this state only for reasons of compelling personal hardship or because requiring service would be contrary to the public welfare, health or safety; that all litigants entitled to trial by jury shall have the right to juries selected at random from a fair cross section of the community in the district wherein the court convenes; and that all citizens shall have the opportunity to be considered for service on juries in the district courts of Kansas.