Washington, June 6 -- President Donald Trump on Wednesday signed a proclamation that bans individuals from 12 countries from entering the US, reinstating one of the most controversial and defining measures from his first term in the wake of an attack in Boulder, Colorado, that targeted a march in support of Israeli hostages. Trump also signed a separate proclamation suspending the visas of foreign students seeking to participate in exchange programs at Harvard University, which has already been a target for the administration that claims it has a liberal bias and isn't doing enough to address antisemitism. The second-term travel ban covers Afghanistan, Myanmar, Chad, Republic of the Congo, Equatorial Guinea, Eritrea, Haiti, Iran, Libya, Somalia, Sudan and Yemen. The measure also partially limits entry of people from Burundi, Cuba, Laos, Sierra Leone, Togo, Turkmenistan and Venezuela....