1: "Republican governors alarmed by rising unionization among workers."

2: "Workers expressing interest in forming unions worry Republican leadership."

3: "Republican Governors voice concerns over workers' unionization efforts."

4: "Workers' growing interest in unions causing worry among Republican Governors."

5: "Republican leadership anxious about workers uniting to form unions."

6: "Concerned Republican Governors observe workers' unionization trend."

7: "Workers' desire for unions raises alarm for Republican governors."

8: "Republican leaders uneasy as workers consider forming unions."

9: "Republican Governors express high concern over workers' unionization plans."