Classified files marked as top secret were reportedly found in former US President Joe Biden's private office. The files were among about 10 at a think tank bearing his name, according to CBS News. A total of roughly 20 classified files were recovered between two locations, with none being top secret from his Delaware home. The discovery of these files sparked controversy and investigation.---A top secret leak, oh what a shame,From Biden's office, it's quite a fame,Classified files found at a think tank,With a name bearing his, oh what a rank,Fewer than ten at his Delaware home,But none were top secret, as CBS has shown,Damage from a leak of this kind,Could be exceptionally grave, one can't bind.Confidential, secret, and top secret too,Classifications that the US hold true,20 files were found between two spots,In November and December, it's quite a lot.The papers came to light just last Monday,At the Penn Biden Center, where they lay,Before the midterm elections, it was found,But Biden ignored the questions, not a sound.On Friday, as he hosted a guest,Biden ignored the reporters, with no zest,He said the files were locked in a garage,Next to his 1960s Corvette, a vintage mirage.