Daily Mail reports Donald Trump quickly seized on horrific reports of another deadly attack in France, asking his Twitter followers: 'When will we learn?'Trump, who was very vocal in the aftermath of the Paris terror attacks, saying that it would have been a 'much, much different situation' had the victims been armed with guns, responded to reports that at least 74 people have been killed and more than 100 injured in a truck attack in Nice on Thursday.The billionaire real estate mogul, who is close to choosing his vice-presidential running mate, tweeted: 'Another horrific attack, this time in Nice, France. Many dead and injured. When will we learn? It is only getting worse'.