Winston, check and balances are between the Executive, Legislative, and Judicial branches of government, NOT the two political parties. Ethics is involved here. You and Perry seem to confuse the authority of the Governor of Texas with the campaign funding schemes of the Republican politician Rick Perry. Read Vball's earlier post again about confusing issues.
You might also find this 2011 article interesting . . .
The Best Little Whore in Texas
Those in Texas who have followed Perry most closely over the years have all come to the same conclusion about him. "He's a cash-and-carry governor," says Craig McDonald, director of Texans for Public Justice, a group that monitors campaign contributions in the state. "He has an extremely strong stomach for holding his nose and doing really dirty favors."
"He'll be whatever you want him to be," says one longtime political opponent. "He's all about greed."
"There's no line he won't cross," says another.
"This guy doesn't believe in one damn thing," says a third.