07 JANUARY 2020 - DES MOINES, IOWA: US Senator CORY BOOKER (D-NJ) walks into a luncheon for African-American women in Des Moines. Sen. Booker is campaigning in Iowa to support his candidacy for the US Presidency. He cut his campaign schedule short Tuesday so he could return to Washington DC for briefings about the Iran situation. Iowa traditionally holds the first event of the presidential election cycle. The Iowa caucuses are Feb. 3, 2020. PHOTO BY JACK KURTZ