By Tobias Carroll For longtime observers of the Venice Biennale, this year’s edition has offered plenty to ponder. There’s the ever-present question of how the pandemic — and a longer-than-expected absence — would affect the proceedings. There’s the impact of the war in Ukraine on this year’s Biennale. And if that wasn’t enough, there’s also a heady controversy brewing at the Bolivian National Pavilion — one involving accusations of plagiarism and nepotism. An article at ARTnews has more details on the situation. A pair of artists, Maximiliano Siñani and Iván Cácere, and a curator, Marisabel V…