do not take cialis if you take nitrates for chest pain, or adempas® for pulmonary hypertension, as this may cause an unsafe drop in blood pressure. do not drink alcohol in excess. to avoid long-term injury, get medical help right away for an erection lasting more than four hours. if you have a sudden decrease or loss of hearing or vision, or an allergic reaction, stop taking cialis and get medical help right away. ask your doctor about cialis. >> martha: president trump is about to address the congressional picnic, there's vice president mike pence introducing them now. while we're waiting for that i'm joined by charlie herz, columnist at the washington times and juan williams a cohost at the five and a pox to mike fox news political analyst.