By Gergely Szakacs BUDAPEST (Reuters) – Around 1,000 Hungarians demonstrated against Prime Minister Viktor Orban’s government on Saturday in the latest of a series of smaller demonstrations this week since his right-wing Fidesz party passed legislation sharply raising taxes on small firms. Nationalist Orban is facing his toughest challenge yet since taking power in a 2010 landslide, with inflation at its highest in two decades, the forint plumbing record lows and European Union funds in limbo amid a dispute over democratic standards. The blockade of a bridge in Budapest on Tuesday failed to de…