A Republican strategist on Friday lampooned Democrats in an on-air rant where she called the party out for the way they speak to Americans struggling economically, before revealing what she sees as their “biggest problem.” “They kept almost telling the American people from the podium like they’re, they’re dumb-dumb, the economy’s fine…everything’s great, and it was so patronizing,” GOP strategist Erin Perrine said during a panel discussion Friday on CNN’s “NewsNight.” The Republican kicked off her vocal sound-off after journalist and contributing Boston Globe opinion writer Tanzina Vega told h…