Edinburgh fringe 2015: comedy preview special
Sarah Callaghan | Julian Deane | Mawaan Rizwan | Corey White | Phil Jerrod | Kevin JThere's nothing softly softly about the approach of Sarah Callaghan. An early twentysomething Londoner, she serves up a relentless fusillade of material at an impressive decibel level. You can almost imagine that she trained for a career in comedy by shouting prices on a market stall. But what her shtick may lack in light and shade, i…