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

• Horne tries to block campaign finance investigation azstarnet.com

• GOP hopefuls debate threat of terrorists crossing border azstarnet.com

• Steller: Border returns as political issue for 2014 azstarnet.com

• Obama seeks $3.7 billion to deal with border kids azcentral.com

• Robb: Is Brewer a border wimp? azcentral.com

• Treasurer candidates get loud at debate azcentral.com

• Treasurer candidates divided on responsibilities azcentral.com

• Brewer headed to Tennessee for governors meeting  azcapitoltimes.com (subscription required)

• Hearing set on Horne suit seeking to block probe azcapitoltimes.com (subscription required)

• Pro-Jones ‘dark money’ group attacks Ducey over ‘dark money’ tactics azcapitoltimes.com (subscription required)

• Christine Jones Gets Outside IE Assist From Quayle Quadrant, Unknown Funders As Monied Battle Heats Up arizonaspolitics.com

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