Dogs used in research could have a better chance of eventually becoming pets under a bill winding through the Maryland General Assembly. The state Senate already has approved the measure, which includes dogs and cats, though it is dubbed the Beagle Freedom Bill because the breed is the most common dog used in research. A hearing is slated for Tuesday in the House of Delegates and nearly 100 lawmakers already have signed on as co-sponsors. The bill even won support from former Ravens wide receiver Torrey Smith, who is featured…