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Today's Lohan drama has left us wondering ... which Lohan MOST needs an intervention?!

Lindsay's in bad shape, according to her dad and about a million other sources. But she's able to get outta bed and party every night so at least she's "functioning," right?

Poor little Ali Lohan is in the care of her big sis right now and daddy Michael says that's messed up. He claims Dina should never have let their 16 year-old daughter come out to LA and stay with Lindsay in the state she's in. Dina, apparently, thinks all is well in Lindsayland.

And then there's Michael ... critics say he shouldn't make his family problems public but if a father's just trying to save his little girl(s), shouldn't he scream it from the mountaintop until someone finally listens?

What do YOU think?