Joe Biden and Donald Trump both visited Texas, on the border with Mexico, on Thursday to discuss the explosive subject of immigration. The Republican accuses his successor of having transformed the southern border of the United States into a sieve.

The Democratic president retorts that it is the Republicans, led by Donald Trump, who refuse to cooperate to find a solution. Texas, the second most populous state in the country, holds its November presidential primaries on Tuesday during the big election day of “Super Tuesday”