BY TIMOTHY CAMA
Democrats and American Indian tribes are ramping up their pressure on President Obama to bypass Congress and unilaterally designate a new national monument to protect 1.7 million acres near the Grand Canyon.
The backers of the proposed Grand Canyon Heritage National Monument, led by Rep. Raúl Grijalva (D-Ariz.) want to indefinitely protect the area from uranium mining that they say would hurt the Colorado River watershed, spots sacred to Indian tribes and recreation activities...