LAS CRUCES, N.M. (AP) - Democratic presidential candidate Barack Obama will join Governor Richardson when he speaks to veterans and their families in Las Cruces on Memorial Day. But the event will not be open to the public, as the campaign had initially said. The campaign now says veterans and their families will be able to attend the town hall-style event only if they receive invitations. Obama's visit will be his first since the February Fifth Democratic caucus. The candidate's wife, Michelle Obama, will be in Albuquerque and Santa Fe on Tuesday for two fundraisers. She also has no public...