I would use a feather board close to the bit, and run it through with the bow down. Still, the best solution is to select your stock more carefully. I go through a lot of boards at Home Depot picking out the ones that aren't bowed or twisted and that are not flat-sawn.
I'm not slow, I'm pacing myself!
Isaiah 44:13 Another shapes wood, he extends a measuring line, he outlines it with red chalk. He works it with planes and outlines it with a compass...
Usual kit: Table saw, band saw, dual base router and table, lathe, various saws, planer, sanders, and a multitude of hand tools.