Buick Regal Rack and Pinion Leak

I Bought This Car About A Month Ago. Did The Tune Up, Power Steering Pump. The Rack Is Leaking, Which I Know Should Be Replaced With The...

If There Is A Leak On The Rack, Can It Be Sealed Or It Needs To Be Replaced Altogether?

When The Rack Is Leaking A Tiny Bit Or A Lot, That's Due To The Fact That The Power Steering Wheel Fluid Is Probably Black Instead Of...