Republican presidential candidate, Sen. Ted Cruz, R-Texas holds a town hall at Praise Community Church in Mason City, Iowa, Friday, Jan. 8, 2016.
Republican presidential candidate, Sen. Ted Cruz, R-Texas holds a town hall at Praise Community Church in Mason City, Iowa, Friday, Jan. 8, 2016. Patrick Semansky AP
Republican presidential candidate, Sen. Ted Cruz, R-Texas holds a town hall at Praise Community Church in Mason City, Iowa, Friday, Jan. 8, 2016. Patrick Semansky AP

Trump won’t drop birther question, and Ted Cruz is fighting back

January 10, 2016 5:16 PM