"One of the most serious sins that disfigures the face of the Church is its visible lack of unity," Benedict XVI said in his Angelus address yesterday (video). Catholic charities must "refuse funding and partnerships that directly or indirectly promote actions or projects" contrary to Church teaching, Pope Benedict said on Saturday (full text, video). Archbishop Joseph Augustine Di Noia, vice-president of Ecclesia Dei, has written to SSPX members calling for new efforts at reconciling with Rome (full text). Vatican spokesman Fr Federico Lombardi describes new plans to regulate guns in America as "a step in the right direction". Cardinal George Pell worries that Australian law-makers are about to take a "step towards totalitarianism". Fr Robert Barron names the books every Catholic should read (video). And the Pope posted his first tweet in Latin yesterday, to the delight and bafflement of Twitter users.