A collection of political news from across the state making headlines today:

• Police need warrant for GPS tracking, ruling says azstarnet.com

• Supreme Court bars another section of Arizona's immigration law azstarnet.com

• State House approves review of child protection efforts azstarnet.com

• Anti-gun advocates to Brewer: Veto gun bills azcentral.com 

• Dirty Harry at the library? Up to Brewer azcentral.com

• "Person with disabilities" to replace archaic words in AZ law azcentral.com

• Arpaio on Pinal-ICE dispute: I'll take unwanted migrants azcentral.com

• House approves plan for external child welfare audit azcapitoltimes.com (subscription required)

•  New numbers show $1.5 million remains unspent in ESA program azcapitoltimes.com (subscription required)

Contact reporter Joe Ferguson at jferguson@azstarnet.com or 573-4346. Follow him on Twitter @JoeFerguson