AUSTIN — Gov. Rick Perry’s decision to soldier on through South Carolina has been mocked, criticized and questioned, but he’s carrying the hopes of Texans like Reagan and Miranda Ashley with him. The Harlingen teenagers volunteered for Perry in Iowa, covering their expenses by making pro-Perry posters, seeking sponsors and asking local businesses to display them. “A lot of businesses would hang them up. Some would tell us just to keep the poster, but a lot of them would donate money even if they weren’t Perry supporters, just because we were getting involved,” said Reagan, 17. Snip “It’s like having...