The co-hosts of MSNBC’s “The Weekend” had a hard time stopping laughing as one of Donald Trump’s biographers explained how the former president found himself in the position of facing having his assets seized on Monday at the same time a court date will likely be set for his hush money trial. Speaking with hosts Michael Steele, Alicia Menendez and Symone Sanders-Townsend, writer and biographer Tim O’Brien kicked off his explanation of Trump’s legal travails by saying of the former president “He dumb” which set off the outburst of laughter. O’Brien told the hosts, “You mentioned at the top of t…