ESTELLE SHIRBON  BRITAIN’S interior minister has pledged to reform what she described as a broken asylum system and to stop people arriving through illegal routes from making "endless legal claims to remain in our country". Home Secretary Priti Patel, who presents herself as tough on issues of law, order and immigration, has denounced as unacceptable a rise seen during the summer in the number of small boats carrying migrants across the Channel from France. The numbers attempting the crossing, about 5,000 so far this year, are tiny compared with migrant flows in many other parts of the world, and human…