No big poker names have been charged with anything. This has to do with fraud and money laundering, not whether online poker is legal. Remember, UIGEA made it illegal for banks to process money transactions with offshore gambling sites.
According to the article in the link, a banker in St. George, Utah was bought off to process money transactions. Last night I had no problem accessing my account on Poker Stars, or getting into a game if I wanted too. But it appears, at least on Poker Stars, that American online players are scared to death. I went thru the lineups of about 40 games and counted only 5 Americans playing. Business in definitely down on Poker Stars.