Here's my read of the hands. I'm guessing the Q up is raising with a pair, trying to isolate against low hands hoping they miss. A 7 calling out of poistion with a 4 behind them sure sounds like he's got A-2 under there and is trying to trap any other low draws out there who feel like getting frisky. The 9 calling against a Q up raiser has to be a straight draw, but I think it's more likely (given their play on 4th street) that they have a 2-flush, 2-straight pair going. I just can't imagine what other range of hands they would just call with here. After fourth street, my worst-case scenario r