By Abby Livingston and JM Rieger[jwp-video n="1"]Welcome to Roll Call's new feature that highlights the most interesting political ads of the week. This week, we focus on a handful of Republican candidates making the case for their fiscal conservatism through their children, and incumbents and friendly super PACs who are betting that charging a tea party insurgent as a "trial lawyer" is a more lethal than being "Washington insider."