1. Clecoed the windshield back onto the roll bar.
2. Located and drilled a new attach hole about 3/4" below the hole where the tap broke off.
3. Removed the windshield and deburred the new hole.
4. Countersunk the outsides of all the windshield holes.
5. Used an edge-scraper to smooth the newly-trimmed bottom edges of the windshield.
6. Used a Dremel tool with a grinding disc to carefully grind down the last small bit of the broken tap in the rollbar.